Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

We are all travelers in the wilderness of this world, and the best we can find in our travels is an honest friend.

"The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil."

We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.

Quality should never be compromised, no matter the scale of production.

建筑是使不可见之物可见的艺术。

数学的本质在于它的自由。