物理网红Don’t stop when you’re tired. Stop when you’re done.

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.普视频Push yourself, because no one else is going to do it for you.

年半Push yourself, because no one else is going to do it for you.粉丝The key to success is to focus on goals, not obstacles.

千万Keep your face always toward the sunshine, and shadows will fall behind you.

物理网红The only way to do great work is to love what you do.老师It’s going to be hard, but hard does not mean impossible.

成现It’s going to be hard, but hard does not mean impossible.象级The key to success is to focus on goals, not obstacles.

做科Great things never come from comfort zones.普视频Push yourself, because no one else is going to do it for you.