Quotes From and About The Rarest Personality Type On Earth: The Sigma: The sigma male/female are known as the strong silent types, who are fiercely independent and self-reliant. The Sigma personality archetype make up less than 1% of the global population. “When sigmas lose their patience, people get nervous.” John Malone “If you are fiercely independent, observant, confident, intelligent, empathetic,…