真正的创新发生在我们无畏地挑战现状时。

What we know is little, and what we are ignorant of is immense.

Success is not about the money you make, it's about the difference you make in people's lives.

民主是一种机制，确保我们得到的治理不会比我们应得的更好。

数学是理性的音乐。