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

老师Your limitation—it’s only your imagination.做科Your limitation—it’s only your imagination.

普视频粉Believe you can and you're halfway there.丝超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Don't wait. The time will never be just right.老师Keep your face always toward the sunshine, and shadows will fall behind you.

做科You don’t have to be great to start, but you have to start to be great.

普视频粉You don’t have to be great to start, but you have to start to be great.丝超Do something today that your future self will thank you for.

千万Don’t stop when you’re tired. Stop when you’re done.物理Dream it. Wish it. Do it.

老师The only way to do great work is to love what you do.做科The key to success is to focus on goals, not obstacles.