Quote by Jonathan Kozol
Many of those who argue for vouchers say that they simply want to use competition to improve public education. I don't think it works that way, and I've been watching this for a longtime.
Summary
The quote suggests skepticism towards the idea of using vouchers to improve public education through competition. The speaker questions the effectiveness of this approach and indicates their experience in observing the issue over a long period of time. This short explanation highlights the doubt of the speaker regarding the positive impact of vouchers on the enhancement of public education.