The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

Nature is the best teacher.

只有不断学习，才能在激烈的竞争中立于不败之地。

Our goal is to organize the world's information and make it universally accessible and useful.

I'm not a rapper, I'm a Pulitzer winner.

Waste is merely a resource we haven’t learned to value yet.