Faith is a euphemism for prejudice and religion is a euphemism for superstition.
A heretic, my dear sir, is a fellow who disagrees with you regarding something neither of you knows anything about.
If you aspire to the highest place, it is no disgrace to stop at the second, or even the third, place.
Heresy is only another word for freedom of thought.
Conformity is the jailer of freedom and the enemy of growth.
Dream as if you have forever. But live as if you only have today
Books must follow sciences, and not sciences books.
Everyone is entitled to his own opinion but not his own facts.
Reality is merely an illusion, albiet a very persistent one.
In men of the highest character and noblest genius there is to be found an insatiable desire for honour, command, power, and glory.
