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Hard · Puzzle #421
4
6
9
3
7
2
9
8
5
2
7
8
4
2
1
3
4
8
5
9
6
9
6
3
4
7
9
7
5
4
"Real knowledge is to know the extent of one's ignorance." — Confucius
"Real knowledge is to know the extent of one's ignorance." — Confucius
"It is not the size of a man but the size of his heart that matters." — Evander Holyfield
"It is not the size of a man but the size of his heart that matters." — Evander Holyfield