不是追求完美,而是比昨天的自己更好。
It's not about being perfect, it's about being better than you were yesterday.
Happiness is not something ready-made. It comes from your own actions.
Friends have all things in common.
行为不仅仅是对刺激的反应,而是由期望和目的引导的。
我们在一起就势不可挡。