Proverbs 19:15 (6:9–11; 10:4).
There is actually a LOT of discussion about this idea throughout the Bible, virtually ALL of it in a negative sense:
I. Sloth is a Forbidden Quality or Indulgence
First of all, it is both clear and obvious that Slothfulness is a forbidden quality or indulgence for those who have any desire to be all that God intends for them to be.
Heb 6:12 that you do not become sluggish, but imitate those who through faith and patience inherit the promises.