Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
唯一真正的发现之旅不是去陌生的地方,而是拥有其他的眼睛,通过另一个人的眼睛,一百个其他人的眼睛来观察宇宙。
In mathematics, you don't understand things. You just get used to them.