Incursibus enim et circuitionibus et librata planitie expressionibus spiritus naturales aliter atque aliter fiunt, quorum offensionibus mederi nemo poterit, nisi qui ex philosophia principia rerum naturae noverit.
For in the case of watercourses, where there are channels or bends or where water is forced along on a levelled plane, natural air-pockets are produced in different ways, and the difficulties which they cause cannot be remedied by anyone unless he has learnt from philosophy the principles of nature.
final_alignments\Vitruvius_Architecture_Book_1.json