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

普视频粉It’s going to be hard, but hard does not mean impossible.丝超Don’t stop when you’re tired. Stop when you’re done.千万The only way to do great work is to love what you do.

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

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

普视频粉It’s going to be hard, but hard does not mean impossible.丝超You don’t have to be great to start, but you have to start to be great.

千万Do something today that your future self will thank you for.物理Dream it. Wish it. Do it.

老师The way to get started is to quit talking and begin doing.做科Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：朱文)