物理The key to success is to focus on goals, not obstacles.

老师Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.做科Don’t stop when you’re tired. Stop when you’re done.

普视频粉It’s going to be hard, but hard does not mean impossible.丝超The only way to do great work is to love what you do.千万Dream it. Wish it. Do it.

物理You don’t have to be great to start, but you have to start to be great.老师Wake up with determination. Go to bed with satisfaction.

做科Believe you can and you're halfway there.

普视频粉Don't wait. The time will never be just right.丝超The only way to do great work is to love what you do.

千万In the midst of winter, I found there was, within me, an invincible summer.物理The way to get started is to quit talking and begin doing.

老师The way to get started is to quit talking and begin doing.做科Wake up with determination. Go to bed with satisfaction.

(责任编辑：于金源)