We must laugh in the face of our helplessness against the forces of nature - or go insane.

I do not need drugs to be a genius, do not take a genius to be human, but I need your smile to be happy.

We should consider every day lost on which we have not danced at least once. And we should call every truth false which was not accompanied by at least one laugh.

After making a mistake or suffering a misfortune, the man of genius always gets back on his feet.

Men of lofty genius when they are doing the least work are most active.

Adversity is the midwife of genius.