Arthur Melvin Okun quotes:

High tax rates are followed by attempts of ingenious men to beat them as surely as surely as snow is followed by little boys on sleds.

The market, if it can be kept honest and competitive, does provide very strong incentives for work effort and productive contributions. In their absence, society would thrash about for alternative incentives-some unreliable, like altruism; some perilous like collective loyalty; some intolerable, like coercion or oppression.

Society can transport money from rich to poor only in a leaky bucket