与其因害怕可能发生的事情而怯懦地无所作为，不如以高贵的勇气冒险面对我们预期的一半的灾难。

唯一真正的美是灵魂的美。

The key to success is not just in making a product, but in understanding the people who use it.

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

哲学是迫使我们面对最想回避问题的学科。