Zuhri reported,

With this chain of narration, the like of it was reported. Yahya said that Sufyan said, "I do not know whose statement this is," meaning the phrase, "And the latter of the statements of the Messenger of Allah ﷺ was taken."

Muslim 2605

Sahih

حدثنا يحيى بن يحيى وأبو بكر بن أبي شيبة وعمرو الناقد وإسحق بن إبراهيم عن سفيان

عن الزهري

بهذا الإسناد مثله قال يحيى قال سفيان لا أدري من قول من هو يعني وكان يؤخذ بالآخر من قول رسول الله ﷺ

مسلم 2605صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Fasting
Chapter
Permissibility of fasting and breaking the fast in Ramadan for a traveler not in disobedience when his journey is two stages or more, and that it is better for one who can bear it without harm to fast and for one who finds it difficult to break the fast
Numbering
Darussalam 2605
Muslim 2605