Meaning of “I would concentrate upon the manufacture of iron…”

Work becomes harder to control when it is left unmanaged; the maxim favors deliberate direction, priorities, and active stewardship over reactive pressure.

Resolution becomes useful only when followed by execution; the maxim links deliberate standards with the habit of carrying them through.

The sentence presents business success as a compound result of sustained energy and persistence rather than a single clever idea or fortunate moment.

Franklin gives execution priority over impressive promises or intentions.

The proverb presents patience as a practical advantage in goals that require time rather than immediate reward.

Being busy or changing quickly is not the same as purposeful action; continuity of aim gives activity its direction.