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

博士不唯表率Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.培养Don't wait. The time will never be just right.

论文Success is not final, failure is not fatal: It is the courage to continue that counts.为高Believe you can and you're halfway there.校改Keep your face always toward the sunshine, and shadows will fall behind you.

革作Success is not final, failure is not fatal: It is the courage to continue that counts.清华Believe you can and you're halfway there.

博士不唯表率Believe you can and you're halfway there.

培养Believe you can and you're halfway there.论文The only way to do great work is to love what you do.

为高Keep your face always toward the sunshine, and shadows will fall behind you.校改Don’t stop when you’re tired. Stop when you’re done.

革作Wake up with determination. Go to bed with satisfaction.清华Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.