It will go down in history as a turning point for the music industry. This is landmark stuff. I can't **overestimate** it!

— On the iPod and the iTunes Music Store, as quoted in

There is probably an element of malice in the readiness to **overestimate** people; we are laying up for ourselves the pleasure of later cutting them down to size.

— Eric Hoffer, “Thoughts of Eric Hoffer, Including ‘Absolute Faith Corrupts Absolutely,’”

The calculus was the first achievement of modern mathematics and it is difficult to **overestimate** its importance. I think it defines more unequivocally than anything else the inception of modern mathematics; and the system of mathematical analysis, which is its logical development, still constitutes the greatest technical advance in exact thinking.

— John von Neumann, as quoted in