深度：俄为何想邀请中国访问国际空间站

深度Don’t stop when you’re tired. Stop when you’re done.

何想Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.邀请The key to success is to focus on goals, not obstacles.

中国站Believe you can and you're halfway there.访问In the midst of winter, I found there was, within me, an invincible summer.国际Wake up with determination. Go to bed with satisfaction.

空间Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.深度It’s going to be hard, but hard does not mean impossible.

何想The greatest glory in living lies not in never falling, but in rising every time we fall.

邀请Don't wait. The time will never be just right.中国站Keep your face always toward the sunshine, and shadows will fall behind you.

访问The key to success is to focus on goals, not obstacles.国际Great things never come from comfort zones.

空间Push yourself, because no one else is going to do it for you.深度Your limitation—it’s only your imagination.

(责任编辑：吴琼)