An ounce of practice is worth more than tons of preaching.

Sustainability isn't an option; it's a responsibility we owe to future generations.

写作是一种思考方式，而不仅仅是思想的记录。

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

有福之人遭到不幸只是损失钱财，无福之人遭遇不幸则会伤及性命。

记忆，即使是你最珍贵的记忆，也会以惊人的速度消逝。但我不这么认为。我最珍视的记忆，我从未看到它们褪色。

Teaching is my greatest work of art.

最大的财富是健康。

海洋保护不是对业务的限制，而是持久业务的基础。