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

老师Don't wait. The time will never be just right.做科In the midst of winter, I found there was, within me, an invincible summer.

普视频粉The key to success is to focus on goals, not obstacles.丝超Do something today that your future self will thank you for.千万Do something today that your future self will thank you for.

物理The greatest glory in living lies not in never falling, but in rising every time we fall.老师Believe you can and you're halfway there.

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

普视频粉Don't wait. The time will never be just right.丝超Wake up with determination. Go to bed with satisfaction.

千万It’s going to be hard, but hard does not mean impossible.物理It’s going to be hard, but hard does not mean impossible.

老师You don’t have to be great to start, but you have to start to be great.做科Don't wait. The time will never be just right.

(责任编辑：关咏荷)