The mind is a place of its own which in itself can make a heaven of hell, a hell of heaven.

The best traders are those who can adapt to changing market conditions.

你和我各有一个苹果，如果我们交换苹果的话，我们还是只有一个苹果。但当你和我各有一个想法，我们交换想法的话，我们就都有两个想法了。

The best economic research is often interdisciplinary.

生命的意义在于追求真理。