I'm not a celebrity. I'm an activist.

I'm not a perfect person, but I try to be better every day.

代数簇的算术证明了抽象思维的力量。

The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.

爱是世界上最强大的力量。