1
8
5
2
4
6
1
4
8
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8
7
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4
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9
8
2
6
6
2
5
4
8
1
5
2
2
8
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3
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9
"It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt." — Mark Twain
"It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt." — Mark Twain
"The only way to learn mathematics is to do mathematics." — Paul Halmos
"The only way to learn mathematics is to do mathematics." — Paul Halmos