Knowledge comes but wisdom lingers. It may not be difficult to store up in the mind a vast quantity of facts within a comparatively short time but the ability to form judgments requires the severe discipline of hard work and the tempering heat of experience and maturity.
In this drawing we just let our imagination run wild. We visualized Superman toys games and a radio show - that was before TV - and Superman movies. We even visualized Superman billboards. And it's all come true.