"Your grades, whatever is your GPA, rapidly becomes irrelevant in your life. I cannot begin to impress upon you how irrelevant it becomes," he said "Because in life, they aren't going to ask you your GPA. ... If a GPA means anything, it's what you were in that moment — and it so does not define you for the rest of your life."
----- Neil deGrasse Tyson
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GPA is pretty important for your first job out of high school/college, but after that nobody cares. Tyson is right.