Nature does not count nor do integers occur in nature. Man made them all, integers and all the rest, Kronecker to the contrary notwithstanding. – Percy William Bridgman, The Way Things Are

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

One of the endlessly alluring aspects of mathematics is that its thorniest paradoxes have a way of blooming into beautiful theories. – Philip J. Davis

Sometimes it is useful to know how large your zero is. – Author Unknown