Abstruse thought and profound researches I prohibit, and will severely punish, by the pensive melancholy which they introduce, by the endless uncertainty in which they involve you, and by the cold reception which your pretended discoveries shall meet with, when communicated. Be a philosopher; but, amidst all your philosophy, be still a man.
Here, hume iterates that searching for deeper meaning is acceptable in a society heavily reliant on science. However, it becomes trivial when a philosopher engages in the "abstruse" research as mentioned by hume earlier. Population is encouraged by science to learn more about the world but only within the limit of what science has already proven.
