Paul Erdos Quote: No.8
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There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down. Paul Erdos | Refcard PDF ↑
There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down. Paul Erdos | Refcard PDF ↑