There is no reason to assume our species will survive itself.

You can do anything…but before you can do anything, you have to do something.

Sometimes, if your opponent is determined to win the battle, let him win the wrong battle.

Regarding war and peace—the seed of each is planted in the other.

Regarding war and peace—the seeds of each are planted in the other.

All too often, our elegant political theories amount to nothing more than ideology triumphing over common sense.

We recognize authority based on whether we feel we could attain authority by the rules by which the authority was obtained.

Cooler heads prevail while things spin completely out of control.

Note from Alien cookbook: “The more intelligent the human is, the better it tastes.

If you can’t be brave in the face of adversity, at least be practical.

Amazing how too much passion in one part of your life can destroy passion in other parts of your life.

Love is the most beautiful flower in the garden of life.

Someone skipped on the rent and they left behind a huge upright piano, which got moved into our apartment so the other apartment could get rented out. I took to it and started playing.

Whenever we just try to please ourselves, all we do is cover up another window in the little house we're stuck in.

History is not a toboggan slide, but a road to be reconsidered and even retraced

I use charcoal a lot. Partly because it has such a fantastic range but also because it is very easy to erase. For me, drawing is a lot to do with taking out, with returning to the white of the paper.

My hair got lighter, and I gradually went blonde. I liked it. Had more fun. But my image of myself in my head is this dark-haired person.

When they come downstairs from their Ivory Towers, idealists are very apt to walk straight into the gutter.

Every path to a new understanding begins in confusion.

I am what is called a professor emeritus—from the Latin e, 'out,' and meritus, 'so he ought to be.

Make your money on the buy, not the sell; this is true in any investment whether it's real estate, business, or the stock market