Success is not final, failure is not fatal: It is the courage to continue that counts.

I sing not because I am blind, but because I have a voice.

当你不必假装成别人时，生活会轻松得多。

数学不是关于数字、方程、计算或算法：它是关于理解的。

The only real freedom is the freedom to say no.

对失败的恐惧会阻碍进步；拥抱风险才能推动有意义的变革。