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.
I don’t believe in giving up.
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.