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改革需要勇氣，但更需要智慧。

We cannot be sure of having something to live for unless we are willing to die for it.

"I think people are very interested in the idea of the family, and the idea of the family as a kind of battleground."

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

The spirit of a man is the most valuable thing in the world.

The ethical implications of gene editing must be considered at every step.