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Resolve that whatever you do, you will bring the whole man to it; that you will fling the whole weight of your being into it.

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.84, e-artnow
Resolve that whatever you do, you will bring the whole man to it; that you will fling the whole weight of your being into it.