Explaining "Great minds think alike"

What does it mean?

The phrase "Great minds think alike" is used to express the idea that highly intelligent or insightful people often have the same thoughts or ideas.

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Origin

The phrase has been in use since the late 19th to early 20th century. The full saying is often "Great minds think alike, though fools seldom differ," highlighting that sometimes the agreement in thought may not always be insightful.