We discuss the concept of knowledge and the cognitive process backing the evolution of knowledge in the human species. This leads to a reflection about the meaning peace. In simple terms. peace is the capability of dealing with conflicts [which are unavoidable as a result of individual differences] without the resource to arrogance and to bigotry. https://www.jmannino.com/mega-pick-Royal-Nomadic-5413-Rug-Ivory-Black-limited-super/