The measure of intelligence is the ability to change.
Gravitation is not responsible for people falling in love.
Nationalism is an infantile thing. It is the measles of mankind.
Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.
I never think of the future. It comes soon enough.
What really interests me is whether God had any choice in the creation of the world.
Whoever is careless with the truth in small matters cannot be trusted with important matters.
Reality is merely an illusion, albeit a very persistent one.
It was the experience of mystery -- even if mixed with fear -- that engendered religion.
I want to know all God’s thoughts; all the rest are just details.