What he actually said: "If we could change ourselves, the tendencies in the world would also change. As a man changes his own nature, so does the attitude of the world change towards him. This is the divine mystery supreme. A wonderful thing it is and the source of our happiness. We need not wait to see what others do." -- per https://jenniferlphillips.com/blog/2021/2/24/origin-story-be-the-change#