Abu Dharr reported,

The Messenger of Allah ﷺ said, "Shall I tell you which words are most beloved to Allah?"I said, "Messenger of Allah, tell me which words are most beloved to Allah."He said, "The most beloved words to Allah are, 'Glory be to Allah and praise be to Him.'"

Azami 10828

Sahih

عن أبي ذر قال

قال رسول الله ﷺ: ألا أخبرك بأحب الكلام إلى الله؟ قلت: يا رسول الله أخبرني بأحب الكلام إلى الله فقال: إن أحب الكلام إلى الله: سبحان الله وبحمده.

الأعظمي 10828صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Supplications, remembrances, and prayer upon the chosen Prophet ﷺ
Chapter
Supplications
Section
Virtue of tahlil, tasbih, tahmid, and takbir in general
Numbering
Jami al-Kamil 10828 (2nd edition)
Azami 10828