安慰剂效应是心灵影响身体能力的强大证明，展示了心理状态与身体健康之间的复杂联系。

"You can't change where you come from, but you can change where you're going."

Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 

含泪问花，花不回答，乱红的花瓣飞过秋千远去。

学习数学的唯一方法就是做数学。