Never confuse education with intelligence, you can have a PhD and still be an idiot.

교육과 지성을 혼동하지 마라. 박사 학위를 가지고 있어도 바보일 수 있다

Never confuse education with intelligence, you can have a PhD and still be an idiot.ㅡRichard Feynman

https://www.goodreads.com/quotes/10239502-never-confuse-education-with-intelligence-you-can-have-a-phd