In mathematics, the simplest questions often lead to the most profound discoveries.
I don't need a reason to be bold.
可持续发展不再是选择;它是当今世界生存的必要条件。
我记得,他总是反抗。他反抗是因为他知道如果他不反抗,下次就更不会反抗了。
I'm the worst thing since Elvis Presley to do Black music so selfishly and use it to get myself wealthy.