"Not him"
"Not who?"
"Not him" (...)
"But he is me" Lyra said." - Philipp Pulman (The Amber Spyglass)

"If souls exist in a scientific level, it must be in the brain" - Dr. Suresh, (Héroes)

"Counscience, counscience, divine instinct, inmortal and celestial voice, certain guide for an ignorant and limited but intelligent and free being" - Descartes

"I heard a voice inside my heart; it never lies and never leaves, it is my best and nearest friend"

"Soul is by what we live, feel and think" - Aristoteles