The Memoirs of Jahāngīr (Jahāngīrnāma) 3.3.7

3.3.7

From these early days till now Miran Sadr Jahan has acted towards me with single-minded loyalty, and I regard him as my preceptor in religious matters (khalifa). Whilst I was prince and before my revered father's illness, and during that time, when the ministers (pillars of the State) and the high nobles had become agitated, and each had conceived some idea of gain for himself and wished to become the originator of some act which could only bring ruin on the State, he had not failed in the activity of his service and devotedness.