Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
我通常通过让问题吞噬我来解决问题。
文学的真正价值在于其提升人类精神的力量。
我把它当作每天都是一个新的挑战,我必须每天变得更好。
The only limit to our realization of tomorrow is our doubts of today.
Music is the language of the soul.