The only time you fail is when you stop trying.
唯一失败的时候就是你停止尝试的时候。
成功不是幸福的关键。幸福才是成功的关键。
Let him be without suspicion who has done no wrong.
That's because most jokes are lies, and you're single - minded in your pursuit of the truth.
永远不要停止学习,因为世界永远不会停止变化。
The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.