The only way to have a good day is to start it with a positive attitude.

学会爱自己，这是最伟大的爱。

化学的基本问题是化学键的性质。

I don't want to be a product of my environment. I want my environment to be a product of me.

Injustice anywhere is a threat to justice everywhere.

【译文】 子贡问怎样实现仁，孔子说：“工人要做好工，必先磨好工具。生活在那里，就要追随那里的品德高尚的领导，结交那里的仁义之士。”