Surah Al-Ahzab 33:32

ﱑ ﱒ ﱓ ﱔ ﱕ ﱖ ﱗ ﱘ ﱙ ﱚ ﱛ ﱜ ﱝ ﱞ ﱟ ﱠ ﱡ ﱢ ﱣ ﱤ

O wives of the Prophet, you are not like anyone among women. If you fear Allah, then do not be soft in speech [to men], lest he in whose heart is disease should covet, but speak with appropriate speech.