Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

The past is never dead. It's not even past.

不仅仅是广告，产品本身也必须有趣。

人生并没有你想象的那么长。

The most important property of a program is whether it accomplishes the intention of its user.

I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.

The material is the message.