种树的最佳时间是二十年前，其次是现在。
The best time to plant a tree was twenty years ago. The second best time is now.
The study of automata and formal languages is fundamental to understanding the limits of computation.
如果退一步能进两步，我绝不害怕后退。
年轻人不知道什么是谨慎，因此他们尝试不可能的事情——并且一代又一代地实现了它。
Society is well governed when its people obey the magistrates， and the magistrates obey the law.
The future of the automotive industry belongs to those enterprises that dare to innovate and break through.
教学的艺术不在于传授本领，而在于激励、唤醒和鼓舞。