Life is too short to wake up with regrets. So love the people who treat you right, forget about the ones who don’t, and believe that everything happens for a reason. If you get a chance, take it. If it changes your life, let it. Nobody said life would be easy, they just promised it would be worth it.
可持续发展不是一种选择，而是现代经济中生存的必要条件。
In mathematics, the journey is as important as the destination.
