Volume 3, Book 31, Number 127:
Narrated Abu Huraira:
The Prophet said, “Whoever does not give up forged speech and evil actions, Allah is not in need of
his leaving his food and drink (i.e. Allah will not accept his fasting.)”
Volume 3 – 434 / 1700
SAHIH BUKHARI VOLUME 3 > BOOK 31: FASTING