Authors:

When it becomes necessary to do a thing, the whole heart and soul should go into the measure, or not attempt it.

Thomas Paine, John P. Kaminski (2002). “Citizen Paine: Thomas Paine's Thoughts on Man, Government, Society, and Religion”, p.116, Rowman & Littlefield
When it becomes necessary to do a thing, the whole heart and soul should go into the measure, or not attempt it.