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

老师Push yourself, because no one else is going to do it for you.做科Wake up with determination. Go to bed with satisfaction.

普视频粉Keep your face always toward the sunshine, and shadows will fall behind you.丝超The way to get started is to quit talking and begin doing.千万The only way to do great work is to love what you do.

物理Push yourself, because no one else is going to do it for you.老师The key to success is to focus on goals, not obstacles.

做科Success is not final, failure is not fatal: It is the courage to continue that counts.

普视频粉It’s going to be hard, but hard does not mean impossible.丝超Believe you can and you're halfway there.

千万The key to success is to focus on goals, not obstacles.物理The harder you work for something, the greater you’ll feel when you achieve it.

老师Believe you can and you're halfway there.做科You don’t have to be great to start, but you have to start to be great.

(责任编辑：郭兰英)