“ Today I said to the calculus students, "I know, you're looking at this series and you don't see what I'm warning you about. You look and it and you think, 'I trust this series. I would take candy from this series. I would get in a car with this series.' But I'm going to warn you, this series is out to get you. Always remember: The harmonic series diverges. Never forget it." Alexandre Borovik
“ Alice laughed. 'There's no use trying,' she said. 'One can't believe impossible things.' I daresay you haven't had much practice,' said the Queen. 'When I was your age, I always did it for half-an-hour a day. Why, sometimes I've believed as many as six impossible things before breakfast. There goes the shawl again! Lewis Carroll Writer
“ The most distinctive characteristic which differentiates mathematics from the various branches of empirical science, and which accounts for its fame as the queen of the sciences, is no doubt the peculiar certainty and necessity of its results. Carl Gustav Hempel Writer
“ The point about zero is that we do not need to use it in the operation of daily life. No one goes out to buy zero fish. Alfred North Whitehead Mathematician
“ Since the mathematicians have invaded the theory of relativity I do not understand it myself any more. Albert Einstein Theoretical Physicist