Mathematics is not a spectator sport.
Don’t let your dreams be dreams.
There is no failure except in no longer trying.
我对自己是谁、做什么非常有信心。
艺术不在于你看到了什么,而在于你让别人看到了什么。
You can't be afraid of people willing to hurt you, because if you fear life, then you will never live.
心理学的方法必须严格经验化。