When you are offered a greeting, respond with a better one, or [at least] return it…This means that you should surpass the greeting that issued [from that person] by acting with sincere friendship (naṣḥ) for God’s sake, Exalted is He. The Prophet said, ‘Peace (salām) is one of the names of God which He made manifest on Earth, so spread it among yourselves.’ His words, Exalted is He: