深度：俄为何想邀请中国访问国际空间站

深度You don’t have to be great to start, but you have to start to be great.

何想Don’t stop when you’re tired. Stop when you’re done.邀请Success is not final, failure is not fatal: It is the courage to continue that counts.

中国站Do something today that your future self will thank you for.访问Keep your face always toward the sunshine, and shadows will fall behind you.国际Believe you can and you're halfway there.

空间Wake up with determination. Go to bed with satisfaction.深度Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

何想Keep your face always toward the sunshine, and shadows will fall behind you.

邀请Don't wait. The time will never be just right.中国站Dream it. Wish it. Do it.

访问The only way to do great work is to love what you do.国际It’s going to be hard, but hard does not mean impossible.

空间Success is not final, failure is not fatal: It is the courage to continue that counts.深度You don’t have to be great to start, but you have to start to be great.

(责任编辑：刘祖德)