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I think the best performances are the ones where you can see the actor thinking.

To succeed in science, you need to have a passion for the truth.

理論物理學的美麗在于它能夠用幾個簡單的方程描述宇宙，揭示出表面復雜性之下的基礎簡單性。

恐懼無時無刻地在我們耳邊竊竊私語、在我們眼前高聲吶喊；而信念必須由你們每天在鏡中看到的自己培養。前者總是緊追在我們身后、糾纏不休、令我們停滯不前；后者則激勵我們、帶給我們驚喜、刺激我們的創造力、驅使我們不斷地前進。

You build your life around what happens to you.

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

In the global economy, cultural differences are the biggest challenge and the biggest opportunity.

每個程序都有（至少）兩個目的：一個目的是為它編寫的，另一個不是目的。