The only force that can overcome an idea and a faith is another and better idea and faith, positively and fearlessly upheld.

The most destructive element in the human mind is fear. Fear creates aggressiveness.

There is nothing to fear except the persistent refusal to find out the truth, the persistent refusal to analyze the causes of happenings.

The kind of intelligence a genius has is a different sort of intelligence. The thinking of a genius does not proceed logically. It leaps with great ellipses. I…