Fabri, Honoré, Dialogi physici in quibus de motu terrae disputatur, 1665

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              <s id="s.000195">
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              Sol Martem aſſequitur; hinc Martem occultari neceſſe eſt; quia verò
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              poſt aliquod tempus, Sol à Perigæo, & Mars ab Apogæo recedunt, Mars
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              citiùs ſuos orbes decurrit; hinc Solem poſt ſe relinquit; hinc demum
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              emergit. </s>
              <s id="s.000196">Si hoc phænomenum verum eſt, vix puto aliam illius cauſam
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              aſſignari poſſe; ſed vt iam indicavi, Kepleri dictis parum fidei haben­
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              dum eſſe putarem; præterquàm quòd fieri potuit, vt craſſiores vapores
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              Martem circa horizontem ortivum oculis ſubduxerint per aliquot dies,
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              quibus deinde diſcuſſis, ſeſe iterum Planeta videndum præbuerit, ac
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              proinde non fuerit vera immerſio, vel emerſio; Vt vt ſit, nec enim de
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              hoc laboramus, ſi phænomenum verum eſt, in noſtra etiam hypotheſi
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              ſua cauſa & ratione non caret, & vix ſcio, quonam pacto in veſtra ex­
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              plicari poſſit. </s>
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            <p type="main">
              <s id="s.000197">
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              Auguſtin.
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              </s>
              <s id="s.000198"> Rectè omnia explicas,
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              Antime,
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              nec etiam dubito, quin
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              ablegato etiam veſtro Epicyclo, retardationem, accelerationem, retro
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              gradationem, ſtationem Martis explices; ſupponamus enim, Martei
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              motu ſemper æquabili ſuos agere orbes, cum maiorem circulum deſcri
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              bat in Apogæo, & minorem in Perigæo, hunc citiùs, tardiùs illum per
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              ficit; Supponamus autem, versùs Apogæum ſuum orbem decurrere tar­
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              diùs, quàm ſtellas, citiùs verò verſus Perigæum; haud dubiè versùs Apo­
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              gæum, longè retro à ſtellis relinquitur versùs ortum, vnde progredi vi
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              detur in conſequentia ſignorum, idque maiore intervallo, quò propiùs
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              ad Apogæum accedit; minore verò, quo longiùs ab eo recedit; at verò
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              versùs Perigæum ſtellas verſus ortum poſt ſe relinquit; igitur versùs oc­
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              caſum progredi videtur, id eſt, à ſtella recedere, quod retrogredi vocant;
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              vbi demum ſuum orbem æquè citò conficit atque ſtella, ſtare dicitur: Hæc
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              ſatis bene intelligo, etiam, ex principiis Phyſicis, quæ per optica tan­
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              tùm in noſtra hypotheſi, explicantur; nonnulla tamen à te ſcire deſide­
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              ro, v. g. vtrùm Mars in mediocri diſtantia citiùs ſuum orbem decurrat,
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              quàm ſtellæ, an verò tardiùs; deinde, cur Mars ſit retrogradus breuiori
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              tempore, & longiore directus; cur ab Apogæo ad Quadraturam plus
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              temporis ponat, quàm ab iſta ad Perigæum. </s>
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            <p type="main">
              <s id="s.000199">
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              Antim.
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              </s>
              <s id="s.000200"> Mars haud dubiè in mediocri diſtantia tardiùs ſuum orbem
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              quàm ſtellæ, & non procul à Perigæo æquè citò illum decurrit; vnde
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              non mirum eſt, ſi cum ab vna coniunctione ad aliam dies circiter 780. ſeu
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              revolutiones ſpirales intercurrant, ſit directus in 705. retrogradus in 73.
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              in 2. demum ſtationarius. </s>
              <s id="s.000201">Si autem in mediocri diſtantia ſuum orbem
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              æquè citò ac ſtella conficeret, æque diu eſſet retrogradus, ac </s>
              <s id="s.000202">directus;
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              ac proinde nunquam ad oppoſitionem pervenire poſſet, & in Perigæo
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              eſſet etiam Soli coniunctus, vt Venus; vnde parum omnino regreditur,
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              ſi obſervationes conſulamus, quibus haud dubiè ſtandum eſt, non verò
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              fictitio Syſtemati. </s>
            </p>
            <p type="main">
              <s id="s.000203">
                <emph type="italics"/>
              Auguſtin.
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              </s>
              <s id="s.000204"> Syſtema ex obſeruationibus ſtatuitur, ac proinde his ſtan­
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              tibus, ſyſtema etiam ſtare neceſſe eſt. </s>
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            <p type="main">
              <s id="s.000205">
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              Antim.
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              </s>
              <s id="s.000206"> Vis liberè dicam, quod ſentio; cum ex multis obſervationi­
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              bus ſyſtema ſtatuatur, eo ſemel ſtatuto, reliquas ad illud vt plurimùm </s>
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