48. The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness - كتاب الذكر والدعاء والتوبة والاستغفار
10) Chapter: The Virtue Of Tahlil (Saying La Ilaha Ill-Allah), Tasbih (Saying Subhan Allah) And (Du'a) Supplication
Abu Huraira reported Allah's Messenger (ﷺ) as saying:
Two are the expressions which are light on the tongue, but heavy in scale, dear to the Compassionate One:" Hallowed be Allah and praise is due to Him" ;" Hallowed be Allah, the Great."