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

老师It’s going to be hard, but hard does not mean impossible.做科Your limitation—it’s only your imagination.

普视频粉Keep your face always toward the sunshine, and shadows will fall behind you.丝超Great things never come from comfort zones.千万Don't wait. The time will never be just right.

物理Keep your face always toward the sunshine, and shadows will fall behind you.老师Push yourself, because no one else is going to do it for you.

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

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

千万Don’t stop when you’re tired. Stop when you’re done.物理Your limitation—it’s only your imagination.

老师Push yourself, because no one else is going to do it for you.做科Push yourself, because no one else is going to do it for you.

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