Sunan Ibn Majah 302
سنن ابن ماجه#302SahihUrwah narrated from 'Aishah that:The Messenger of Allah used to remember Allah in all circumstances
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:36