数学思想的真正考验是它能否激发进一步的思考。
The true test of a mathematical idea is its ability to inspire further thought.
When players scold you, it's a good thing—it means they still care. The most terrible thing is silence.
The less I know about other people's affairs, the happier I am.
声音是一种天赋，但也是你每天必须努力练习的东西。
投资更清洁的煤炭技术就是投资我们的未来。