Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam?
Dr. Einstein: Yes; But this year the answers are different.
Related Quotes
You make experiments and I make theories. Do you know the difference? A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.
{Remark to scientist Herman Francis Mark}
{Remark to scientist Herman Francis Mark}
— Albert Einstein
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