Ghurar al-Ḥikam #3783Imam Ali (AS) said, Be wary of the sins done in seclusion, for indeed the Witness (to it) is the Judge.
Nahj al-Balāgha #1889324. Amīr al-mu’minīn, peace be upon him, said: Beware of disobeying Allāh in solitude, because the witness (of that situation) is also the...