完美数如同完美的人一样稀少。

希望是美好的，也许是人间至善，而美好的事物永不消逝。

真正的领导力意味着即使在事情出错时也要承担责任。

The only thing we have to fear is fear itself.

The Romans would never have found time to conquer the world if they had been obliged first to learn Latin.

我们从未放下任何事，我们只是继续下一件事。