It wasnarrated from 'Abdullah that the Messenger of Allah (ﷺ)said:
"Noone will enter Paradise who has pride in his heart equal totheweight of a grain of mustard seed, and no one will enter Hell whohasfaith in his heart equal to the weight of a grain of mustard seed." (FR)
English reference (FR): Vol. 5, Book 37, Hadith 4173 (FR)
Arabic reference (FR): Book 37, Hadith 4313 (FR)