"Courtesy costs nothing, but buys everything."

This quote is really a reminder of how powerful simple kindness can be. Being courteous, saying “please” and “thank you,” listening without interrupting, showing respect even when you disagree, doesn’t cost you money, time, or status. But it can open doors that force or ego never will. Think about how you feel when a stranger holds the door, a coworker speaks to you respectfully under pressure, or a partner apologizes gently after a tense moment. Those small gestures build trust, soften defenses, and create goodwill. Courtesy doesn’t mean being fake or weak; it’s choosing to be human first, even when you’re stressed or hurt. And over time, that way of moving through the world “buys” you better relationships, unexpected help, and a quieter, steadier heart.