Before Albert Einstein died, he wrote a riddle that only 98% of the population could solve. Can you solve it?

The Enneagram may be as old as 5000 years, i.e. 2500 years older than Buddha, Confucius, and Aristotle and 3000 years before Christ. This psychological folk wisdom was developed in the Middle East and passed around, probably by minstrels as well as Jewish and eventually Christian and Muslim teachers and was almost certainly taught by the Sufi masters. The theory describes nine different personality types, hence the name Enneagram – ennea means nine in Greek