物理The harder you work for something, the greater you’ll feel when you achieve it.

老师Dream it. Wish it. Do it.做科In the midst of winter, I found there was, within me, an invincible summer.

普视频粉Push yourself, because no one else is going to do it for you.丝超Do something today that your future self will thank you for.千万Keep your face always toward the sunshine, and shadows will fall behind you.

物理Believe you can and you're halfway there.老师It’s going to be hard, but hard does not mean impossible.

做科Believe you can and you're halfway there.

普视频粉Your limitation—it’s only your imagination.丝超Your limitation—it’s only your imagination.

千万Your limitation—it’s only your imagination.物理The way to get started is to quit talking and begin doing.

老师Success is not final, failure is not fatal: It is the courage to continue that counts.做科The key to success is to focus on goals, not obstacles.