I never buy anything unless I can see a clear path to a 50% gain.

The greatest cruelty is our casual blindness to the despair of others.

You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.

从更糟到更好的改变也并非没有不便。

在新世纪里，我想我们都会疯掉。