The number four permeates our lives. A pyramid is four triads poised upon a square. This is the strongest structure known. The butterfly also utilizes four stages of life to complete its life cycle. Beginning as a silent egg, is becomes a hungry green caterpillar, rests in a cocooned pupa to emerge as a winged creature at last.
Human maturation is measured in childhood, adolescence, adulthood, and old age.
Talmud Five is the number of regeneration. Form is ripe and ready in three-dimensional space, and now it is time for this form to recreate itself. The Pentad is present everywhere. The human body expresses the Pentad's symmetry in its five senses, five extensions from the torso with each limb ending in five fingers or toes. Pentagrams are stars we see fluently in advertising and corporate logos.