Believers should go out against the old man in acts of holiness, in the faith that he is a crucified man; i.e., believe your old man is crucified with Christ, and in this belief bestir yourself against him in the use of appointed means. If you believe it not, how can your hands be strong, having all to do yourself alone? But believe it firmly, and it will make you as a giant refreshed with wine.
Source: http://www.puritanboard.com/f25/giant-refreshed-wine-85103/, Comment #1
Note: No endorsement of Thor intended. This was merely the best picture I could find that illustrated the point of the quote.