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Generate the answer for a given question. The question requires common knowledge of English. Make sure that the answer is in detail, long, consistent with the context, and requires general knowledge of English. To be less repetitive, please vary your language for each question. Give a proper explanation to answer, and if necessary, provide the definition of various terms. And conclude your answer if it's long. If you have used other resources (e.g., Merriam Webster's.) to answer the question, include citations in your answer. You don't need to paraphrase the context of your resources, but make sure that your answer is consistent and complete.

I'm trying to find different ways of saying that 'You don't have to be a rocket scientist', but I can't seem to get any good ideas. I got a variation, 'You don't have to be a brain surgeon...,' but are there any others ways. It doesn't have to follow the routine of 'You don't have to...'.
Output:
Other related expressions are: You don't have to be a genius/it doesn't take a genius: 'You don't have to be a genius. You don't have to be superman. You don't even have to be a techie. Just have an idea.' All you need is a good imagination and you'll find fertile soil. And . . . the best ideas are right under your nose. Ron Gordon ... 'I know that it doesn't take a genius to work out that sleep is important for good health.' or, you don't have to be Einstein: They graduate! So, they end up going through life with this piece of paper that makes everybody think that they are smart, even if they are not. You don't have to be Einstein to have a place in college. He was not sure he really wanted to know, though one didn't have to be Einstein to put two and two together.!!