A book should feel like a friend to a child—comforting, exciting, and full of surprises.

If you're not prepared to be wrong, you'll never come up with anything original.

Those who can imagine anything,can create the impossible.

我们决定在这十年间登上月球并实现更多，并非它们轻而易举，而正是因为它们困难重重。因为这个目标将促进我们实现最佳的组织并测试我们顶尖的技术和力量，因为这个挑战我们乐于接受，因为这个挑战我们不愿推迟，因为这个挑战我们志在必得，其他的挑战也是如此。

The past is a mirror, but we often see only what we want to see.