First and last, what is demanded of genius is love of truth.

The first and last thing required of genius is the love of truth. [Ger., Das erste und letzte, was vom Genie gefordert wird, ist Wahreits-Liebe.]

Mediocrity has no greater consolation than in the thought that genius is not immortal

Boldness has genius, power, and magic in it.

For a man to achieve all that is demanded of him he must regard himself as greater than he is.

Common sense is the genius of humanity.