Undertale Part #47 - Determination

Steam Workshop::undertale.fandom.com/wiki/Sans/In_Battle

Endings - Undertale Guide - IGN

Dialogue That Might Play When You Fight Sans by ItsWolven on DeviantArt

Yes, but sans do yourself a favor and take your own advise.

Undertale (Video Game 2015) - Trivia - IMDb

Sans - I really hope the dialogue from the post above is actually dialogue from an Undertale sequel he's working on. I was not hoping for an UT sequel, mostly because

DizzyHSlightlyVoided

Undertale Genocide route final boss - Sans (dialogue emphasized) on Make a GIF

Yes the dialogue is custom - Imgflip

Flawless Boss Battle - Undertale Genocide Final Boss (Dialogue Emphasized) on Make a GIF