真理只有一个,道路却有无数条。
The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.
安逸是智慧的危害;胆怯是勇敢的仇敌。
质量不是问题;它是一个解决方案。