"Whoever swears an oath and says In sha' Allah, if he wishes he may go ahead and if he wishes he may not, without having broken his oath."
Sunan Ibn Majah Book 11, Hadith 16
← Previous Hadith 'Whoever swears an oath and says In sha' Allah, he will have made an exception."(2)

Sunan Ibn Majah Book 11, Hadith 15 Next Hadith → "Whoever swears an oath and says In sha' Allah, will never break his oath."

Sunan Ibn Majah Book 11, Hadith 17