深度：俄为何想邀请中国访问国际空间站

深度The harder you work for something, the greater you’ll feel when you achieve it.

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

中国站Don't wait. The time will never be just right.访问Success is not final, failure is not fatal: It is the courage to continue that counts.国际Do something today that your future self will thank you for.

空间The greatest glory in living lies not in never falling, but in rising every time we fall.深度The key to success is to focus on goals, not obstacles.

何想The harder you work for something, the greater you’ll feel when you achieve it.

邀请Do something today that your future self will thank you for.中国站The key to success is to focus on goals, not obstacles.

访问Do something today that your future self will thank you for.国际Believe you can and you're halfway there.

空间The way to get started is to quit talking and begin doing.深度The only way to do great work is to love what you do.

(责任编辑：李迪)