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Expert · Puzzle #693
6
4
5
6
8
2
9
1
5
1
9
2
4
6
1
8
7
1
9
3
5
3
7
"Tell me and I forget. Teach me and I remember. Involve me and I learn." — Benjamin Franklin
"Tell me and I forget. Teach me and I remember. Involve me and I learn." — Benjamin Franklin
"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world." — Nikola Tesla
"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world." — Nikola Tesla