I totally agree with the sentiment, but the citation marks might not be wholly appropriate. This is what Snopes said when they dug into it:

> "We found several other instances of people making similar statements at around the same time, indicating that this was a popular opinion at that time that was evidently shared by Albert Einstein. However, we have been unable to find a direct quote from the physicist that matches this particular meme."

https://www.snopes.com/fact-check/einstein-world-war-iv-stic...