物理网红The key to success is to focus on goals, not obstacles.

老师Do something today that your future self will thank you for.成现Push yourself, because no one else is going to do it for you.

象级The harder you work for something, the greater you’ll feel when you achieve it.做科You don’t have to be great to start, but you have to start to be great.普视频Success is not final, failure is not fatal: It is the courage to continue that counts.

年半You don’t have to be great to start, but you have to start to be great.粉丝Believe you can and you're halfway there.

千万Your limitation—it’s only your imagination.

物理网红Don't wait. The time will never be just right.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Don’t stop when you’re tired. Stop when you’re done.

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

(责任编辑：李之勤)