质量不是运气；它是一种策略。
当今的科学家们思考得很深，而不是很清晰。一个人必须头脑清醒才能清晰地思考，但一个人可以思考得很深却相当疯狂。
The most important skill in mathematics is the ability to ask the right questions.
The saddest thing about love is that not only that it cannot last forever, but that heartbreak is soon forgotten.
I dream that my son will grow up to be a good person, a free person. I dream that someday you will return to revisit the land of our childhood. I dream that flowers will bloom in the streets again...and kites will fly in the skies!
Words have no power to impress the mind without the exquisite horror of their reality.
