Full Idea
The gods bound the mortal soul within the chest - the thorax, as it is called.
Gist of Idea
The gods placed the mortal soul in the chest
Source
Plato (Timaeus [c.362 BCE], 69e)
Book Reference
Plato: 'Timaeus and Critias', ed/tr. Waterfield,Robin [OUP 2008], p.69
A Reaction
Timaeus recognises the importance of the head, and the fact that the main senses pass into the brain, but they had no indication of where thought and reason occur.