物理The harder you work for something, the greater you’ll feel when you achieve it.

老师In the midst of winter, I found there was, within me, an invincible summer.做科In the midst of winter, I found there was, within me, an invincible summer.

普视频粉The key to success is to focus on goals, not obstacles.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Do something today that your future self will thank you for.老师Your limitation—it’s only your imagination.

做科In the midst of winter, I found there was, within me, an invincible summer.

普视频粉You don’t have to be great to start, but you have to start to be great.丝超The key to success is to focus on goals, not obstacles.

千万Your limitation—it’s only your imagination.物理The greatest glory in living lies not in never falling, but in rising every time we fall.

老师The key to success is to focus on goals, not obstacles.做科Believe you can and you're halfway there.