The most dangerous phrase in business is 'We've always done it this way.'

解释：大部分鸟类都是雄性的，而雌鸽却是雌性的，说明了鸟类性别的特殊性。

The architecture of a system determines its behavior more than the content of its knowledge.

没有好的用户体验，再好的商业模式都是空谈。