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

加班Don’t stop when you’re tired. Stop when you’re done.牛人The way to get started is to quit talking and begin doing.

加班Keep your face always toward the sunshine, and shadows will fall behind you.牛人It’s going to be hard, but hard does not mean impossible.加班Don't wait. The time will never be just right.

牛人It’s going to be hard, but hard does not mean impossible.加班The only way to do great work is to love what you do.

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

加班Your limitation—it’s only your imagination.牛人The key to success is to focus on goals, not obstacles.

加班Success is not final, failure is not fatal: It is the courage to continue that counts.牛人You don’t have to be great to start, but you have to start to be great.

加班Do something today that your future self will thank you for.牛人Don’t stop when you’re tired. Stop when you’re done.