你不是通过遵循规则学会走路的。你是通过实践和跌倒学会的。
You don't learn to walk by following rules. You learn by doing, and by falling over.
所有痛苦都源自渴望、执着与欲望。
Free vaccines are more valuable than expensive treatments, yet harder to promote.
The real question is not whether machines think but whether men do.
You have to believe in yourself when no one else does