Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.

Sculptured figures which appear in motion, will, in their standing position, actually look as if they were falling forward.

You must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind.

Depth and strength of a human character are defined by its moral reserves.

The Medici created and destroyed me.

Instrumental or mechanical science is the noblest and above all others, the most useful.

He who does not oppose evil......commands it to be done.