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 | Nature |
| The brain is a wonderful organ; it starts working the moment you get up in the morning, and does not stop until you get to the office. | | Brain (2), Nature (2), Job (3) | Robert Frost (2) |
| When a blind beetle crawls over the surface of a curved branch, it doesn't notice that the track it has covered is indeed curved. I was lucky enough to notice what the beetle didn't notice. | | Einstein, in answer to his son Eduard's question why he is so famous, 1922 | | Animals (10), Nature (2) | Albert Einstein (23) |
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