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希望是黑暗中的一束光。

在探索理解量子引力的過程中，我們就像在廣闊海洋岸邊玩耍的孩子，偶爾發現一塊光滑的鵝卵石或一個漂亮的貝殼，而真理的浩瀚海洋仍未被我們發現。

Courage is resistance to fear, mastery of fear - not absence of fear.

If you can't understand why someone is doing something, look at the consequences of their actions, whatever they might be, and then infer the motivations from their consequences.

The art of living is to know when to hold fast and when to let go.

The key to long-term success is creating value for society.