The text explores the etymology and cultural significance of “please” and “thank you.” “Please,” derived from Old French and Latin roots, evolved from a marker of deference to a common politeness marker, reflecting shifting power dynamics. “Thank you,” originating in Old English, developed from a general sense of goodwill to a formalized expression of appreciation, influenced by the Norman Conquest. The article further examines how expressions of gratitude and politeness vary across cultures, ranging from individualistic to collectivist approaches. Finally, it highlights the psychological and social benefits of expressing gratitude and emphasizes that true politeness extends beyond mere words.