In a battle all you need to make you fight is a little hot blood and the knowledge that it's more dangerous to lose than to win.

Only on paper has humanity yet achieved glory, beauty, truth, knowledge, virtue, and abiding love.

What we want is to see the child in pursuit of knowledge, and not knowledge in pursuit of the child.

I learned long ago, never to wrestle with a pig. You get dirty, and besides, the pig likes it.

If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.