最重要的是能够思考，能够观察，能够判断你所看到的事物。
The most important thing is to be able to think, to be able to see, to be able to judge what you see.
Sustainable quarrying isn't an option; it's our obligation to future generations.
任正非内部讲话稿
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
The past is always tense, the future perfect.
