Raising children is an incredibly hard and risky business in which no cumulative wisdom is gained: each generation repeats the mistakes the previous one made. Bill Cosby
The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity. Richard Dawkins
Baseball happens to be a game of cumulative tension but football, basketball and hockey are played with hand grenades and machine guns. John Leonard
A man's accomplishments in life are the cumulative effect of his attention to detail. John Foster Dulles
We have to judge politicians by their cumulative score. In one innings they make a great catch, in another they drop the ball. In one they score a home run, in another they strike out. But it is their cumulative batting average that we are interested in. Jesse Jackson
