The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

The best traders are the ones who can adapt to changing market conditions. The ones who can’t adapt get left behind.

网球是一项心理游戏。每个人都很健康，每个人都能打出精彩的击球。

Silence is the perfectest herald of joy.