Urwah narrated from 'Aishah that:The Messenger of Allah used to remember Allah in all circumstances
Hadith No. 302
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih Muslim