You will never succeed while smarting under the drudgery of your occupation, if you are constantly haunted with the idea that you could succeed better in something else.
Orison Swett Marden (2015). “An Iron Will, He Can Who Thinks He Can & Pushing To The Front (Wisdom & Empowerment Series): How to Achieve Self-Reliance Which Leads to Vigorous Self-Faith, Personal Growth & Success”, p.282, e-artnow