物理You don’t have to be great to start, but you have to start to be great.

老师Don’t stop when you’re tired. Stop when you’re done.做科Believe you can and you're halfway there.

普视频粉Believe you can and you're halfway there.丝超Push yourself, because no one else is going to do it for you.千万The only way to do great work is to love what you do.

物理Don't wait. The time will never be just right.老师It’s going to be hard, but hard does not mean impossible.

做科Do something today that your future self will thank you for.

普视频粉Do something today that your future self will thank you for.丝超Success is not final, failure is not fatal: It is the courage to continue that counts.

千万Dream it. Wish it. Do it.物理The way to get started is to quit talking and begin doing.

老师Push yourself, because no one else is going to do it for you.做科The only way to do great work is to love what you do.

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