Quote #27080
The idea of God is the sole wrong for which I cannot forgive mankind.
Quote #32398
The tongue weighs practically nothing, But so few people can hold it.
Quote #24169
Physical concepts are free creations of the human mind, and are not, however it...
Quote #31994
It citizenship would give to persons of the negro race, who were recognized as...
Quote #6691
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and...
Quote #10311
Doubt is not a pleasant condition, but certainty is absurd.
Quote #31665
Not even the gods fight against necessity.
Quote #5782
To fly we have to have resistance.
Quote #10131
The greatest challenge to any thinker is stating the problem in a way that...
Quote #27710
A great pleasure in life is doing what people say you cannot do.