不被嘲笑的梦想,是不值得去实现的。
你必须愿意承担风险。如果你不愿意,你就赚不到钱。
"Think wrongly, if you please, but in all cases, think for yourself."
数学的力量在于它的普遍性和超越文化界限的能力。
The difference between a dream and a goal is action.