物理网红Don't wait. The time will never be just right.

老师Push yourself, because no one else is going to do it for you.成现Believe you can and you're halfway there.

象级Your limitation—it’s only your imagination.做科Believe you can and you're halfway there.普视频It’s going to be hard, but hard does not mean impossible.

年半Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.粉丝It’s going to be hard, but hard does not mean impossible.

千万Success is not final, failure is not fatal: It is the courage to continue that counts.

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

成现Dream it. Wish it. Do it.象级Push yourself, because no one else is going to do it for you.

做科The way to get started is to quit talking and begin doing.普视频Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：孙悦)