One may certainly admire man as a mighty genius of construction, who succeeds in piling an infinitely complicated dome of concepts upon an unstable foundation, and, as it were, on running water.

A man of genius is unbearable, unless he possesses at least two things besides: gratitude and purity.

Towering genius disdains a beaten path. It seeks regions hitherto unexplored.

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

The promise of this life is imperiled by the very genius that has made it possible.

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