唯一真正的发现之旅，唯一永恒的青春之泉，不是去访问陌生的土地，而是拥有其他的眼睛，通过另一个人的眼睛，一百个人的眼睛，来观察宇宙，观察他们每个人所看到的一百个宇宙。

That’s been one of my mantras—focus and simplicity.Simple can be harder than complex，you have to work hard to get your thinking clean to make it simple.

There’s no such thing as too much butter in a recipe—only too little joy.

可持续性已不再是一种选择，而是我们对后代的责任。

The act of writing is an act of resistance against oblivion.

阅读好书，就如同与过去几个世纪中最杰出的人物交谈。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.