Mathematics is an art, and as an artist, you have to be honest with yourself.
科学的力量在于它的普遍性和客观性,它超越了文化和国界。
"The only limit to our realization of tomorrow is our doubts of today."
The low price-earnings strategy has worked for me for 30 years.
The best stories are those that mix the happiness and sadness of life together in the right proportions.