I was going through one of the folders on my computer and came across one of the trainings I gave to agents about a year before my stroke (which was 2.5 years ago) At the end of the training is the phrase "Yad Bhavan tad bhavati."

I have in my notes that this is a roughly 3000 year old Yogic saying translated to "You become as you think." I don't remember where I borrowed it from, but I hope someone in the community finds it useful and relevant for themselves!