外部条件影响下生命形式的发展是一个极其重要的课题。
The sky is not the limit; it is the beginning.
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.
赏赐并不能让人欢喜,责罚也不能让人畏惧。