An-Nur · 24:53

53. The hypocrites take the strongest and far-fetched of oaths possible upon Allah, saying that if you were to command them to march out to jihad, they would indeed do so. O Messenger! Say to them: “Do not take oaths, for your lying is well known, as is your claimed submission. Allah is well-aware of your actions; no action of yours is hidden from Him, regardless of how you try to hide them.