A mathematician's work is never done; there are always more problems to solve.
Those who cannot remember the past arecondemned to repeatit.
诚信是商业中最重要货币。一旦失去它,你就失去了一切。
我们的意图是肯定这种生活,不是从混乱中带来秩序,也不是建议改进创造,而只是醒来面对我们正在过的生活。