Profit should never come at the expense of the ocean's health.

April is the cruelest month, breeding lilacs out of the dead land, mixing memory and desire, stirring dull roots with spring rain.

解读：知晓道理容易，付诸实践却困难重重，很多人困于理论，缺乏行动力，知行脱节带来巨大的挫败感与自我怀疑，督促人行动起来。

We want to build a Google that works for everyone.

最好的建筑是看不见的。

I have always believed that if you want to achieve anything in life, you have to work for it.

"The mind is not a structure but a process."

Mathematics is not a spectator sport. You have to do it to understand it.