The essence of mathematics lies in its freedom.
I'm not afraid of aging. I think it's a privilege to grow old.
当有疑问时,使用蛮力。
心脏是一个拳头大小的肌肉。继续爱,继续战斗。
The way to get started is to quit talking and begin doing.
Technology is the great enabler in our quest for cleaner and more efficient energy solutions.