物理Keep your face always toward the sunshine, and shadows will fall behind you.

老师Wake up with determination. Go to bed with satisfaction.做科Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

普视频粉The key to success is to focus on goals, not obstacles.丝超Don’t stop when you’re tired. Stop when you’re done.千万The key to success is to focus on goals, not obstacles.

物理In the midst of winter, I found there was, within me, an invincible summer.老师Keep your face always toward the sunshine, and shadows will fall behind you.

做科Wake up with determination. Go to bed with satisfaction.

普视频粉You don’t have to be great to start, but you have to start to be great.丝超The harder you work for something, the greater you’ll feel when you achieve it.

千万It’s going to be hard, but hard does not mean impossible.物理The harder you work for something, the greater you’ll feel when you achieve it.

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