The strength of a response tendency depends on the amount of reinforcement received.
像我这种想聊自己的人,讨厌你这种爱聊自己的人。
You can't win unless you learn how to lose.
We have a responsibility to future generations to leave the planet in better shape than we found it.
我们有责任为子孙后代留下一个比我们发现时更好的地球。