一个仅仅接受学校教育的孩子是个未受真正教育的孩子。

The best time to plant a tree was twenty years ago. The second best time is now.

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

沉默不是虚无。沉默是一种存在。