The human mind has never invented a labor-saving machine equal to algebra. – Author Unknown

Arithmetic is where numbers fly like pigeons in and out of your head. – Carl Sandburg, "Arithmetic"

You may be an engineer if your idea of good interpersonal communication means getting the decimal point in the right place. – Author Unknown

With my full philosophical rucksack I can only climb slowly up the mountain of mathematics. – Ludwig Wittgenstein, Culture and Value