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.
直到某些意外事件从外部触发,人们才会突然意识到真相。
音乐让我明白,坚持就是胜利。
教学的全部艺术,不过是唤醒年轻人天生的好奇心,以便日后满足它。