Narrated `Abdullah bin `Umar: The Prophet (ﷺ) forbade the making of vows and said, "It (a vow) does not prevent anything (that has to take place), but the property of a miser is spent (taken out) with it"
Book 83 · Hadith 70
صحيح البخاري
Narrated `Abdullah bin `Umar: The Prophet (ﷺ) forbade the making of vows and said, "It (a vow) does not prevent anything (that has to take place), but the property of a miser is spent (taken out) with it"