Question: what are the four stages of human life?
Answer: Stage I: Play, Imitation and Education. Birth – Infancy – Childhood – Adolescence.
Stage II: Self-Discovery, Enterprise & Adventurousness. Adolescence – Early Adulthood – Adulthood.
Stage III: Dedication, Contemplation & Benevolence. ... 
Stage IV: Retirement, Wisdom & Renunciation.