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有谁背后没被他人议论过,又有谁在他人面前没议论过别人?有钱人不管说什么,别人都奉承他说的是真的,而穷人即使说的是真话,别人也都不相信是真话。
Challenges are opportunities in disguise; embrace them and grow stronger.
In mathematics, you don't understand things. You just get used to them.
The concept of inflation suggests that the universe underwent a period of extremely rapid expansion shortly after the Big Bang.