教育：从自负的无知到痛苦的不确定之路。

如果你设计得当，分析就会变得简单。

Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.

The language of mathematics is universal, transcending cultural and linguistic barriers.

变化的速度永远不会比今天更慢。

I always say that beauty is not just physical. It's about what you have inside. It's about your character, your spirit, and your soul.

I've never known anyone who was what he or she seemed; or at least, was only what he or she seemed.

I’m not a guy that’s going to let my love for the training down.