A man who is 'of sound mind' is one who keeps the inner madman under lock and key.
An artist never really finishes his work, he merely abandons it.
Science is a collection of successful recipes.
The best way to make your dreams come true is to wake up.
In the physical world, one cannot increase the size or quantity of anything without changing its quality. Similar figures exist only in pure geometry.
A bad poem is one that vanishes into meaning.