Beware of long arguments and long beards.

Tolerated people are never conciliated. They live on, but the aroma of their life is lost.

Language is like money, without which specific relative values may well exist and be felt, but cannot be reduced to a common denominator.

If all art aspires to the condition of music, all the sciences aspire to the condition of mathematics.

Thought is essentially practical in the sense that but for thought no motion would be an action, no change a progress.

Nature in denying us perennial youth has at least invited us to become unselfish and noble.

The highest form of vanity is love of fame.