Noun
deep thinker (plural deep thinkers)
(idiomatic) A person whose thoughts are profound; an intellectual.
Every deep thinker is more afraid of being understood than of being misunderstood. Friedrich Nietzsche
I would have been completely brainwashed by this lopsided and racist view of the world if it weren't for my father. He was a deep thinker and an irrepressible problem solver. He was a Black Socrates, asking why and then spoiling ready-made replies. Walter Mosley