A man's age is something impressive, it sums up his life: maturity reached slowly and against many obstacles, illnesses cured, griefs and despairs overcome, and unconscious risks taken; maturity formed through so many desires, hopes, regrets, forgotten things, loves. A man's age represents a fine cargo of experience and memories.
Antoine de Saint-ExuperyExperience will guide us to the rules. You cannot make rules precede practical experience.
Antoine de Saint-Exupery