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Science is about understanding the world, and engineering is about changing it.

The essential function of art is moral. But a passionate, implicit morality, not didactic. A morality which changes the blood, rather than the mind.

In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.

The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown.

過去是一個異國，他們在那里做事的方式不同。

People haven’t always been there for me, but music always has.