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

老师The way to get started is to quit talking and begin doing.做科It’s going to be hard, but hard does not mean impossible.

普视频粉Success is not final, failure is not fatal: It is the courage to continue that counts.丝超Don’t stop when you’re tired. Stop when you’re done.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Don’t stop when you’re tired. Stop when you’re done.

做科Great things never come from comfort zones.

普视频粉You don’t have to be great to start, but you have to start to be great.丝超Believe you can and you're halfway there.

千万In the midst of winter, I found there was, within me, an invincible summer.物理In the midst of winter, I found there was, within me, an invincible summer.

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.

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