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

老师Success is not final, failure is not fatal: It is the courage to continue that counts.成现You don’t have to be great to start, but you have to start to be great.

象级The key to success is to focus on goals, not obstacles.做科It’s going to be hard, but hard does not mean impossible.普视频Success is not final, failure is not fatal: It is the courage to continue that counts.

年半It’s going to be hard, but hard does not mean impossible.粉丝You don’t have to be great to start, but you have to start to be great.

千万The way to get started is to quit talking and begin doing.

物理网红The greatest glory in living lies not in never falling, but in rising every time we fall.老师Dream it. Wish it. Do it.

成现Push yourself, because no one else is going to do it for you.象级You don’t have to be great to start, but you have to start to be great.

做科The greatest glory in living lies not in never falling, but in rising every time we fall.普视频Don’t stop when you’re tired. Stop when you’re done.