你对自己了解得越多，对你在别人身上看到的东西就越有耐心。
The more you know about yourself, the more patience you have for what you see in others.
"Words are the mirrors of our thoughts."
The best time to plant a tree was twenty years ago. The second best time is now.
而是根据国家的具体情况,去掉那些无益于实用的东西,这就足够使国家的财利增加一倍了。
The concept of reducibility is central to understanding the relationships between different computational problems.