4
5
1
7
6
5
2
7
2
6
9
1
7
5
2
9
8
9
8
2
3
6
7
2
6
9
5
3
2
7
8
7
3
4
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert
"The unexamined life is not worth living." — Socrates
"The unexamined life is not worth living." — Socrates