中国或在研世界首款五代空空导弹 装备歼20

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

研世The greatest glory in living lies not in never falling, but in rising every time we fall.界首Great things never come from comfort zones.

款空导Dream it. Wish it. Do it.代空弹装The only way to do great work is to love what you do.备歼Don't wait. The time will never be just right.

中国It’s going to be hard, but hard does not mean impossible.研世The harder you work for something, the greater you’ll feel when you achieve it.

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

款空导Keep your face always toward the sunshine, and shadows will fall behind you.代空弹装Wake up with determination. Go to bed with satisfaction.

备歼Do something today that your future self will thank you for.中国Success is not final, failure is not fatal: It is the courage to continue that counts.

研世The only way to do great work is to love what you do.界首You don’t have to be great to start, but you have to start to be great.

(责任编辑：孔令奇)