我就是证明，你可以白手起家，成就自己。
I'm proof that you can come from nothing and make something of yourself.
我在这里是为了给世界带来欢乐，并帮助全世界的儿童。
The biggest challenge isn't the science - it's changing people's perceptions.
The habit of committing far more time to learning and thinking than to doing is no accident.
I write to find out what I think.
写作是一种耐心的行为，等待合适的词语到来。