Mathematics, alas, lends itself to low blows. There is a “mathematical terrorism”, that is to scare the opponent by shooting against gusts of equations, derivatives, integrals, logarithms, matrices, theorems and […]
Paul Wühr (1927-)
[…] provides with deadly security because he has not questioned poetry to flood of numbers.
Leonardo da Vinci (1452-1519)
O investigating, studied mathematics, and not built without foundations.