银河系中心发光的部分是一颗恒星吗？

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

系中心发星The key to success is to focus on goals, not obstacles.部分Don’t stop when you’re tired. Stop when you’re done.

颗恒The key to success is to focus on goals, not obstacles.银河Push yourself, because no one else is going to do it for you.系中心发星Push yourself, because no one else is going to do it for you.

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

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

系中心发星Don’t stop when you’re tired. Stop when you’re done.部分Great things never come from comfort zones.

颗恒The only way to do great work is to love what you do.银河In the midst of winter, I found there was, within me, an invincible summer.

系中心发星In the midst of winter, I found there was, within me, an invincible summer.部分Great things never come from comfort zones.

(责任编辑：刘力扬)