The Prophet (ﷺ) said, "Whoever does not give up false statements (i.e. telling lies), and evil deeds, and speaking bad words to others, Allah is not in need of his (fasting) leaving his food and drink."
Reference: Sahih al-Bukhari 6057 In-book : Book 78, Hadith 87 USC-MSA web (English) : Vol. 8, Book 73, Hadith 83 (deprecated)
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