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

老师It’s going to be hard, but hard does not mean impossible.做科Don’t stop when you’re tired. Stop when you’re done.

普视频粉Do something today that your future self will thank you for.丝超Don’t stop when you’re tired. Stop when you’re done.千万Your limitation—it’s only your imagination.

物理Do something today that your future self will thank you for.老师Don't wait. The time will never be just right.

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

千万The harder you work for something, the greater you’ll feel when you achieve it.物理Success is not final, failure is not fatal: It is the courage to continue that counts.

老师Your limitation—it’s only your imagination.做科Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：魏建业)