1
6
7
4
3
6
8
5
4
9
6
3
1
5
4
7
5
4
3
9
6
2
7
3
9
8
7
1
3
4
9
6
7
"Count what is countable, measure what is measurable, and what is not measurable, make measurable." — Galileo Galilei
"Count what is countable, measure what is measurable, and what is not measurable, make measurable." — Galileo Galilei
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Problems worthy of attack prove their worth by fighting back." — Piet Hein