The concept of a soulmate was originally put forth by Plato. According to his story humans originally had 4 arms, 4 legs and 2 faces. The gods feared humans were too powerful and so Zeus split them in two, condemning them to spend their lives searching for the other half of their soul.
Socrates was very worried…
Socrates was very worried that the increasing use of books in education would have the effect of ruining students’ ability to memorise things. We only remember this now because Plato wrote it down. 10