“Life begins at the end of your comfort zone.”

“It's good to be out of your comfort zone. Just don't step out of your gift zone.”

“You should not remain in your comfort zone; if you want to make it big, you must challenge yourself, get out of your comfort zone, and succeed in doing well outside of your comfort areas.”

“Never allow your comfort zone to become your secret prison.”

“Most everything that you want is just outside your comfort zone.”

“It wouldn't kill you to get out of your comfort zone a little bit.”

“… often, stepping outside your comfort zone is not careless irresponsibility, but a necessary act of obedience.”

“If you put yourself in a position where you have to stretch outside your comfort zone, then you are forced to expand your consciousness.”

“Comfort zones are overrated. They make you lazy.”

“Comfort zones, after all, are the enemy of growth.”