“A person who truly thinks in a wise way will never put others down just to be considered great.”
Related quotes

Cordelia's Honor (1996), "Author's Afterword"
Context: All great human deeds both consume and transform their doers. Consider an athlete, or a scientist, or an artist, or an independent business creator. In the service of their goals they lay down time and energy and many other choices and pleasures; in return, they become most truly themselves. A false destiny may be spotted by the fact that it consumes without transforming, without giving back the enlarged self. Becoming a parent is one of these basic human transformational deeds. By this act, we change our fundamental relationship with the universe — if nothing else, we lose our place as the pinnacle and end-point of evolution, and become a mere link. The demands of motherhood especially consume the old self, and replace it with something new, often better and wiser, sometimes wearier or disillusioned, or tense and terrified, certainly more self-knowing, but never the same again.

Source: "“Squid Game” Star Hoyeon Jung on Her Rapid Rise, BLACKPINK’s Jennie, and What’s Next" in Teen Vogue https://www.teenvogue.com/story/squid-game-star-hoyeon-jung-interview (6 October 2021)

Elton Mayo, cited in: Edward William Bok (1947), Ladies' Home Journal.Vol. 64, p. 246