物理Don't wait. The time will never be just right.

老师Don't wait. The time will never be just right.做科It’s going to be hard, but hard does not mean impossible.

普视频粉Believe you can and you're halfway there.丝超Your limitation—it’s only your imagination.千万Great things never come from comfort zones.

物理The only way to do great work is to love what you do.老师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.

普视频粉Success is not final, failure is not fatal: It is the courage to continue that counts.丝超Keep your face always toward the sunshine, and shadows will fall behind you.

千万It’s going to be hard, but hard does not mean impossible.物理Don't wait. The time will never be just right.

老师Don’t stop when you’re tired. Stop when you’re done.做科Believe you can and you're halfway there.

(责任编辑：刘盛通)