I think providing advice in Latin, a language almost no one on HN speaks, is a more likely reason. It started getting upvoted again after someone else provided a translation.
I don’t know Latin, but the meaning of the quoted phrase was pretty obvious.
In a thousand years, the sun will still rise. The wind will still blow. Your name will probably not be remembered.
We have trouble coming up with solid info on historic kings. We know vastly less about historic commoners.
Even if you are relatively well off and important in the world today, in the grand scheme of things, you still don't really matter all that much. So check your ego at the door.