These words from poet and physician William Carlos Williams echo those of countless leaders and philosophers throughout history, who have found the surest path to happiness is to make others happy. This line comes from a letter Williams wrote to his mother in 1904 when he was a student at the University of Pennsylvania. Even at the young age of 20, he understood the joy that comes from giving. “When you realize that and take advantage of the fact,” he wrote, “everything is made perfect.”