The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be.

【释义】只有到了严寒的季节，才能看出松柏耐寒不凋的真正本色；只有在事情危难的时刻，才能分辨出朋友是真正的贤良还是虚假的仁义。

The best way to be happy is to live in the present.