But realize that no one likes a person who thinks he knows everything.

但是，务必牢记，没有人喜欢一个自认为无所不知的人。

youdao

Self love is far from a defect. A person who knows how to love himself properly will be able to do everything properly.

自我热爱远非缺点，这种定义是恰当的。一个懂得恰如其分地热爱自己的人，一定能恰如其分地做好其他一切事情。

youdao

This is the person who knows everything there is to know about financial aid, grants, minority programs and the like.

FORBES: If I Were A Poor Black Kid

Oh, and finally resolve that thorny definition of a cynic, as a person who knows the price of everything and the value of nothing.

FORBES: A Non-Cynical View of Return On Investment