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Mathematics is not a spectator sport; to understand it, one must engage with it actively.

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.

Confidence is the most beautiful thing you can possess.

一個人的幼兒時期，其實就是一種不斷習得能力的過程，這個周期性的刺激，將帶給兒童無限的歡樂和樂趣。

在冬天的深處，我發現我心中有一個不可戰勝的夏天。

你知道的——當一個人情緒低落的時候，他會格外喜歡看日落。

心靈是一個相互關聯過程的動態系統。