Edwin Percy Whipple Quote

True wisdom, indeed, springs from the wide brain which is fed from the deep heart; and it is only when age warms its withering conceptions at the memory of its youthful fire, when it makes experience serve aspiration, and knowledge illumine the difficult paths through which thoughts thread their way into facts,--it is only then that age becomes broadly and nobly wise.

Success and Its Conditions (ed. 1875)