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V ers. 6. - Nihil in terra sine causa. 13. Cur ingenium studio tardum, negligenti acre tri- buatur. Idcirco enim saepe et desidiosus ingenium accipit, ut e de negligentia justius puniatur, quia quod sine labore assequi potuit, scire contemnit. Et idcirco nonnunquam studiosus tarditate intelligentiae premi- tur, ut eo majora praemia retributionis inveniat; quo magis in studio inventionis elaborat. Nihil ergo est in terra sine causa, quando et studioso tarditas ad praemium proficit, et desidioso velocitas ad suppli- cium crescit. [ Vet. V. ] Ad intelligenda autem quae recta sunt, aliquando laboris studio, aliquando vero dolore percussionis erudimur.
第6節：「地上沒有一事是無緣無故的。」第十三，為何遲於勤學或敏於領悟的才幹賜給怠惰的人。因為懶惰的人往往領受才幹，正是為使他因怠惰而更公義地受罰，因為他不屑於認識那本可不勞而得的。而殷勤的人有時被理解的遲鈍所壓，正是為使他愈在探究的追求上勞苦，就愈得著更大的報償。因此地上沒有一事是無緣無故的，既因對殷勤的人遲鈍有益於得賞，對懶惰的人敏捷卻增添刑罰。至於明白那些正確之事，我們有時藉勤勞的殷勤受教，有時確是藉責打的痛苦受教。
Verse 6. 'Nothing upon earth is without a cause.' 13. Why talent slow to study, or keen, is bestowed on the negligent. For therefore often even the slothful receives talent, that he may be more justly punished for his negligence, because he disdains to know that which he could have attained without labor. And therefore sometimes the diligent is pressed by the slowness of understanding, that he may find the greater rewards of recompense, the more he labors in the pursuit of discovery. Nothing, therefore, upon earth is without a cause, since both to the diligent slowness profits toward reward, and to the slothful swiftness grows toward punishment. To understand the things that are right, we are instructed sometimes by the zeal of labor, sometimes indeed by the pain of chastisement.
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Unde cum dictum sit, Nihil in terra sine causa; apte protinus additur:
故此，既已說了「地上沒有一事是無緣無故的」，就合宜地隨即補充說：
Hence, when it has been said, 'Nothing upon earth is without a cause,' it is fitly added at once: