The primary cause of unhappiness is never thesituation but your thoughts about it.
Never underestimate the power of small improvements—they compound over time.
Innovation is the eternal driving force of enterprise development, without innovation there is no future.
在探索宇宙的过程中，每一个被解答的问题都会引出更多的问题。
A proof is a device for convincing someone else that a mathematical statement is true.