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

老师Believe you can and you're halfway there.做科Your limitation—it’s only your imagination.

普视频粉Believe you can and you're halfway there.丝超The only way to do great work is to love what you do.千万Your limitation—it’s only your imagination.

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In the midst of winter, I found there was, within me, an invincible summer.

普视频粉The way to get started is to quit talking and begin doing.丝超Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

千万Do something today that your future self will thank you for.物理Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

老师It’s going to be hard, but hard does not mean impossible.做科Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：孙艺心)