Theoretical

Source: April 16, 1955, New Statesmen, according to researchers.

Here's a similar statement. Albert Einstein wrote a short letter to The Reporter magazine, which appeared on page 9, November 18, 1954, about five months before Einstein died.

“To the Editor: You have asked me what I thought about your articles concering the situation of the scientists in America. Instead of trying to analyze the problem I may express my feeling in a short remark: If I would be a young man again and had to decide how to make my living, I would not try to becom...

[Continued] “I would not try to become a scientist or scholar or teacher. I would rather choose to be a plumber or a peddler in the hope to find that modest degree of independence still available under present circumstances.” Albert Einstein, Princeton, New Jersey