This is something like "don't be passionate" according to the book "Ego is the Enemy."

This is like disassociating your sense of identity or ego from your opinions/thoughts according to Eckhart Tolle.

This is something like being "aware" or "being an observer" of yourself according to Zens.

This is something like "stillness" according to stoics.

Congratulations! You've unlocked your "deeper self" :D