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The harder you work for something, the greater you’ll feel when you achieve it.邀请The way to get started is to quit talking and begin doing.

中国站Don’t stop when you’re tired. Stop when you’re done.访问The way to get started is to quit talking and begin doing.国际Success is not final, failure is not fatal: It is the courage to continue that counts.

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

何想In the midst of winter, I found there was, within me, an invincible summer.

邀请Don't wait. The time will never be just right.中国站It’s going to be hard, but hard does not mean impossible.

访问Your limitation—it’s only your imagination.国际Believe you can and you're halfway there.

空间Push yourself, because no one else is going to do it for you.深度Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：清远市)