一切能被说出的都能够清楚地被说出，而我们不能谈论的，必须保持沉默。

Ideas are like fish. If you want to catch little fish, you can stay in the shallow water. But if you want to catch the big fish, you've got to go deeper.

The only way to succeed is to have a product that is really, really good.

心灵是进化和学习的产物。