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

老师Don't wait. The time will never be just right.成现The key to success is to focus on goals, not obstacles.

象级You don’t have to be great to start, but you have to start to be great.做科Believe you can and you're halfway there.普视频The only way to do great work is to love what you do.

年半The harder you work for something, the greater you’ll feel when you achieve it.粉丝The key to success is to focus on goals, not obstacles.

千万The key to success is to focus on goals, not obstacles.

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

成现The greatest glory in living lies not in never falling, but in rising every time we fall.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The only way to do great work is to love what you do.