Invention is not the product of logical thought, even though the final product is tied to a logical structure.
I am very smart. But not as strong-hearted as all the workers on earth for he toils endlessly and does it all to feed his family while I do it merely for solving an impossible puzzle.
You cannot simultaneously prevent and prepare for war.
Unthinking respect for authority is the greatest enemy of truth.
The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.
The majority of the stupid is invincible and guaranteed for all time. The terror of their tyranny, however, is alleviated by their lack of consistency.
Strive not to be a success, but rather to be of value.
Standardization robs life of its spice.
Science can flourish only in an atmosphere of free speech.
Nothing will benefit human health and increase chances for survival of life on Earth as much as the evolution to a vegetarian diet.
Nationalism is an infantile disease. It is the measles of mankind.
It is easier to denature plutonium than it is to denature the evil spirit of man.