结构化程序设计支持被排除中间语言的法律。

Sometimes you just have to take a leap of faith and believe in yourself.

释义：现实政治只承认实力，而非道德正义。

The best ideas often come from unexpected places.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.