We must learn from nature how to use resources efficiently.
我们必须向自然学习如何高效利用资源。
No man or woman is worth is worth your tears,and the one who is,won’t make you cry.
不要走别人走过的路，去走没人走过的路并留下足迹。
A thing is not necessarily either true or false; it can be both true and false.
History isn't what happened. History is just what historians tell us.
