We don't inherit the earth from our ancestors; we borrow it from our children.
我们不是从祖先那里继承了地球，而是从子孙那里借来的。
如果时空穿梭是可能的，那从未来穿越回来的旅客在哪里呢？
我不是给予者，我是索取者。
当你停止追求进步的那一刻，就是你开始死亡的那一刻。
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.
语言是我们拥有的最强大的武器。