Life is 10% what happens to you and 90% how you react to it.
The only thing that can make you powerful is your own soul.
数学的进步归功于那些不是被应用的欲望驱动,而是被发现的喜悦驱动的人。
"The journey of a thousand miles begins with a single step."
Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.