https://en.wikipedia.org/wiki/George_Washington#/media/File:Gilbert_Stuart_Williamstown_Portrait_of_George_Washington.jpgGeorge Washington shared his advice on building friendships.
https://www.canva.com/photos/MAGZQRzJFsM-an-marriage-proposal-scene-in-a-field/Friedrich Nietzsche's advice on one important question to ask before marriage.