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

吃药The harder you work for something, the greater you’ll feel when you achieve it.妈妈Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

吃药Dream it. Wish it. Do it.妈妈The key to success is to focus on goals, not obstacles.吃药Your limitation—it’s only your imagination.

妈妈Believe you can and you're halfway there.吃药Push yourself, because no one else is going to do it for you.

妈妈Keep your face always toward the sunshine, and shadows will fall behind you.

吃药Don’t stop when you’re tired. Stop when you’re done.妈妈The harder you work for something, the greater you’ll feel when you achieve it.

吃药Wake up with determination. Go to bed with satisfaction.妈妈Success is not final, failure is not fatal: It is the courage to continue that counts.

吃药Do something today that your future self will thank you for.妈妈Don't wait. The time will never be just right.

(责任编辑：林健辉)