Explaining that the remembrance of Allah is both absolute and restricted, with examples

The Shaykh : The remembrance of Allah (Mighty and Majestic) is both absolute and restricted. Absolute means at any time, and restricted means in a specific state, at a specific time, or in a specific place. Pay attention: The remembrance of Allah is of two types: absolute and restricted. The restricted type is either in a specific place, or at a specific time, or in a specific state. Now, when we enter the mosque, what do we say? This is a remembrance, for supplication is undoubtedly a remembrance restricted by what? By place. When we pass by the Black Stone around the Sacred Ka'bah, what do we say? Allahu Akbar. This is restricted by what?
The student: By place

The Shaykh : By place. When we ascend al-Safa and al-Marwah, we remember Allah and make supplication. This is also restricted by place.
Restricted by time, such as the evening and morning adhkar. The evening and morning adhkar are restricted by time and are well known in the books of the scholars. Restricted by state: when a person is afflicted with worry or grief, he remembers Allah. This is restricted by what? By state. Restricted by state: when a person is about to do something, it is difficult for him, and he hesitates about what to do, he prays two rak'ahs, and when he concludes the prayer, he makes the well-known supplication of istikharah. ... to the end of the supplication, which is well known. This is restricted by what? Restricted by state. Likewise, the adhkar for sleep; if you wish, you can say they are restricted by state, and if you wish, you can say they are restricted by time.