最优雅的数学证明是那些以简单揭示真理的证明。
粮食安全的未来就在波涛之下,我们有责任明智地开发它。
Don't let the noise of others' opinions drown out your own inner voice.
The only limit to our realization of tomorrow will be our doubts of today.
解释:凡要谋划一件事,一定要预见到成功的把握,然后才可以去做。