决心:该做的事情一定要做,要做的事情一定做好。
The future is not a gift. It is an achievement.
Certification standards are meaningless without rigorous enforcement.
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
故事是我们教孩子如何以勇气和善意去探索世界的方式。