The difference between genius and stupidity is; genius has its limits.

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

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.

My genius is in my nostrils.

True genius resides in the capacity for evaluation of uncertain, hazardous, and conflicting information.

Genius is seldom recognized for what it is: a great capacity for hard work.