If you’re going to talk the talk, you’ve got to walk the walk.

Learning is the process of modifying symbolic structures to improve performance.

Philosophy is an ornament in prosperity, a refuge in adversity, and a provision in old age.

The way we see things is affected by what we know or what we believe.

"Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them."

婴儿的哭声与其听起来一样严重。