我不怕死，我怕没有尝试过。

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

Work must necessarily precede reward.

进步的真正衡量标准不在于知识的积累，而在于其应用于人类的改善。

量子密码学不依赖于数学问题的难度，而是依赖于物理学的基本定律。