周天Great things never come from comfort zones.

设需种The harder you work for something, the greater you’ll feel when you achieve it.避免The way to get started is to quit talking and begin doing.

问题Don’t stop when you’re tired. Stop when you’re done.周天The way to get started is to quit talking and begin doing.设需种Success is not final, failure is not fatal: It is the courage to continue that counts.

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

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

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

问题Your limitation—it’s only your imagination.周天Believe you can and you're halfway there.

设需种Push yourself, because no one else is going to do it for you.避免Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：南贤俊)