The spirit of entrepreneurship is the spirit of never giving up.
The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute that it takes me to compose this sentence, thousands of animals are being eaten alive, many others are running for their lives, whimpering with fear, others are slowly being devoured from within by rasping parasites, thousands of all kinds are dying of starvation, thirst, and disease.
重复别人是一个很好的开始。重复你自己则是一个令人失望的终点。
提高的唯一方法就是挑战最好的对手。
The bigger the company, the smaller we should think.
数学中真正的挑战不是解决问题，而是提出正确的问题。