Vitruvius iterum et Frontinus à Iocundo revisi repurgatique quantum ex collatione licuit

There are also other histories of the same kind, of which it is necessary for architects to have knowledge. Philosophy, however, makes an architect great in spirit and not arrogant, but rather easy, fair, and faithful, without avarice, which is the greatest thing. For no work can truly be done without faith and purity. He should not be greedy, nor should he have his mind occupied with the receiving of gifts, but he should maintain his dignity with gravity by holding a good reputation. For this is what philosophy prescribes. Furthermore, philosophy explains the nature of things, which in Greek is called physiologia natural science. It is necessary to know this more studiously, as it has many and various natural questions, such as in the conduction of water. For in the flows...