I don't have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
We are all in the gutter, but some of us are looking at the stars.
"The greatest tragedies are not the ones we see coming, but the ones we never expected."
可持续性不是选择,而是责任。
数学的美在于它既是艺术又是科学。