物理网红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.成现Dream it. Wish it. Do it.

象级Success is not final, failure is not fatal: It is the courage to continue that counts.做科The only way to do great work is to love what you do.普视频You don’t have to be great to start, but you have to start to be great.

年半Do something today that your future self will thank you for.粉丝The way to get started is to quit talking and begin doing.

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Don’t stop when you’re tired. Stop when you’re done.

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

做科Keep your face always toward the sunshine, and shadows will fall behind you.普视频Great things never come from comfort zones.