"The world is not defined by the past, but by the future."

"The greatest evil is not radical, but rather is without roots. It is the evil of thoughtlessness."

"The only way to escape the personal consequences of freedom is to give up the very freedom itself."

"The only way to resist totalitarianism is to think."

"The essence of totalitarian government, and perhaps the nature of tyranny, is to make terror a permanent institution."