Motion is created by the destruction of balance.

Every action done by nature is done in the shortest way.

The knowledge of all things is possible

The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.

That which can be lost cannot be deemed riches.

Feathers shall raise men even as they do birds towards heaven :- That is by letters written with their quills.

Perspective is the rein and rudder of painting.