" they are never sufficiently tested. This means I’ve got two good pieces of news for you. The first is that whenever you do something beyond your ‘comfort zone’ and realize you are still standing, the more you will believe that the impossible is actually possible. And on the road to success, belief is everything. And the second piece of news is that we all have much further to push ourselves than we might initially imagine. Inside us all, just waiting to be tested, is a better, bolder, braver version of who we think we are. "

― Bear Grylls , A Survival Guide for Life: How to Achieve Your Goals, Thrive in Adversity, and Grow in Character