Enjoying the joys of others and suffering with them-these are the best guides for man.

One can't teach a cat not to catch birds

Imagination without knowledge may create beautiful things, knowledge without imagination can create only perfect ones.

Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.

Education is only a ladder to gather fruit from the tree of knowledge, not the fruit itself

The place of the expert is on tap not on top.

When a man is sufficiently motivated, discipline will take care of itself.