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波點是通往無限的方式。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

在數學中，你并不理解事物。你只是習慣了它們。

The only way to discover the limits of the possible is to go beyond them into the impossible.

Don't be defined by what you didn't know or didn't do.

The less secure a man is, the more likely he is to have extreme prejudice.