We all owe death a life.
It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.
最好的经济洞见来自于观察人们的实际行为。
In bad times, which are coming soon, it is better to die than to live.
如果物体处于静止状态或作匀速直线运动,只要没有外力作用,物体将保持静止状态或匀速直线运动状态。
You are never too old to set another goal or to dream a new dream.