It's not even known how many kinds of cells there are in the brain. If you were looking for a periodic table of the brain, there is no such thing. I really like to think of the brain as a computer.

The world is your playground - play with a sense of destiny.

If you give somebody a lot of questions to answer and then they walk by a bowl of candy, they are more likely to grab the candy because they're tired out from answering questions and can't resist.

These disorders - schizophrenia, Alzheimer's, depression, addiction - they not only steal our time to live, they change who we are.

It's surprising that the world is understandable to the extent that it is.

Work backward from your goal.

Many of the projects that we do that appear quite successful, it's actually often the second or third time we've given it a try.

Maybe we'll understand more about how the universe came to be, and what forces drove it in the early days and which forces drive it now.

Remember, when we're conscious of something, that state is quite often generated by unconscious processes that happen right before it.

If we succeed, it makes no sense to keep it only for ourselves.

Life is an adventure - Savor every instant!

Nico found a sort of freedom in knowing that eventually, no matter what happened, he would end up at the foot of his father’s throne.

Pain has a threshold and so does death.

He realized this early on, and realized too that what people think are their lives are merely its conditions. The truth is closer than thought and lies buried in what we already know.

We need to find the courage to say no to the things and people that are not serving us if we want to rediscover ourselves and live our lives with authenticity.

It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.

A good rule for discussion is to use hard facts and a soft voice.

Fair is fair; all love is war.

I think book publishing is fun, but I also know I've been very lucky.

We don't have mad cow disease. We probably never will have mad cow disease, and therefore, it's a non-problem in the United States.

But there are things that happen between a man and a woman in the dark -- that sort of make everything else seem -- unimportant.