The expression "Man kana yu minu billahi wal yawmil akhir fal yaqual khayran aw li yasmut" means a believer should
desire for his neighbour what he wishes for himself
never be angry
make good utterances or keep silent
honour his parents
Correct answer is C
Islam frowns at vulgarity and utterances that hold no weight or wisdom. Frivolousness with words could lead to sin. Hence, the prophet has outlined the tongue as one of the body parts that must be controlled.