@mrkrndvs Somehow I new you'd have a whole post about it! I just couldn't find it (maybe due to the late hour...). Thanks for lighting my candle.

Incidentally the quote on that card may be better attributed to Thomas Jefferson: http://boffosocko.com/2011/06/27/on-the-fallacy-of-diminishing-returns/ though some may have a reasonable argument that it's far older: https://fakebuddhaquotes.com/thousands-of-candles-can-be-lighted-from-a-single-candle-and-the-life-of-the-single-candle-will-not-be-shortened-happiness-never-decreases-by-being-shared/