Among the great things which are found among us the existence of Nothing is the greatest.

I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils

He who can copy can do.

All our knowledge hast its origins in our perceptions … In nature there is no effect without a cause … Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments … Science is the observation of things possible, whether present or past; prescience is the knowledge of things which may come to pass.

The wisest and noblest teacher is nature itself.

Lying on a feather mattress or quilt will not bring you renown.

Who sows virtue reaps honor.