Authors:

The urge to quit is strongest just before breakthroughs occur. Those are the times when it's most important to stay focused and committed. You will encounter the urge to quit many times. Get over it. Quitting is not an option; always be prepared to give it one more day.

Matthew Barnett (2011). “The Cause within You: Finding the One Great Thing You Were Created to Do in This World”, p.177, Tyndale House Publishers, Inc.
The urge to quit is strongest just before breakthroughs occur. Those are the times when it's most important to stay focused and committed. You will encounter the urge to quit many times. Get over it. Quitting is not an