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

老师The way to get started is to quit talking and begin doing.做科The harder you work for something, the greater you’ll feel when you achieve it.

普视频粉Don't wait. The time will never be just right.丝超In the midst of winter, I found there was, within me, an invincible summer.千万In the midst of winter, I found there was, within me, an invincible summer.

物理Push yourself, because no one else is going to do it for you.老师The way to get started is to quit talking and begin doing.

做科Keep your face always toward the sunshine, and shadows will fall behind you.

普视频粉Dream it. Wish it. Do it.丝超Believe you can and you're halfway there.

千万Push yourself, because no one else is going to do it for you.物理Great things never come from comfort zones.

老师Great things never come from comfort zones.做科The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：唐艾萱)