Since then, he has also discussed a ninth kind of intelligence-existential intelligence, as exhibited by people such as philosophers and religious figures who sense the infinite life of the universe and the significance of life and existence.
爾後，他又討論到第九種智能──存在智能，也就是關懷宇宙無窮生命及生命存在意義的智能，如哲學家、宗教人物等。