Success is a state of mind. If you want to succeed, start thinking of yourself as a success.
The day I stop believing I can win is the day I'll stop playing tennis.
And when his audience grew bored, he would spring into the air and do a back flip with a half twist.
当他的观众感到无聊时，他会跳到空中，做一个半扭的后空翻
自由是人类参与自身发展的能力，是我们塑造自我的能力。
数学中最重要的技能是提出正确问题的能力。
当你做出一个新的、一致的、坚定的决定时，你的生活就会改变。