If the solution to a problem of absolute disagreement extends to a call for bloodshed, then neither party has demonstrated the intelligence to formulate the question properly.
—John Steinbeck
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
—Carl Sagan in Cosmos
A marriage is always made up of two people who are prepared to swear that only the other one snores.
—Terry Pratchett
You can always tell when a man's well informed. His views are pretty much like your own.
—H. Jackson Brown, Jr.
There is nothing more likely to start disagreement among people or countries than an agreement.
—E. B. White