Three maxims were inscribed on a column in the pronaos (forecourt) of the Temple of Apollo at Delphi:

1. Know thyself
2. Nothing in excess
3. Surety brings ruin

Phoebus Apollo is one of the Greatest Mythological Gods of the Greek Pantheon. The Mythological god of music, medicine, prophecy, archery, Athletes, war, philisophy and science.

Apollis is what Carl Jung would call an Archetype: Legendary figures caughts in msnkinds celluar memory and collective unconscious.