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Wake up with determination. Go to bed with satisfaction.邀请Success is not final, failure is not fatal: It is the courage to continue that counts.

中国站It’s going to be hard, but hard does not mean impossible.访问Wake up with determination. Go to bed with satisfaction.国际The key to success is to focus on goals, not obstacles.

空间Keep your face always toward the sunshine, and shadows will fall behind you.深度It’s going to be hard, but hard does not mean impossible.

何想Do something today that your future self will thank you for.

邀请Success is not final, failure is not fatal: It is the courage to continue that counts.中国站Don't wait. The time will never be just right.

访问The way to get started is to quit talking and begin doing.国际The key to success is to focus on goals, not obstacles.

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

(责任编辑：谭耀文)