Wethern's Law: Assumption is the mother of all screw-ups.

Murphy's Law

Don't let assumptions stifle your capacity. Throw every one of them.

William N. Yeomans

The best assumption to have is any commonly held belief is wrong.

Ken Olsen

Assumptions allow the best in life to pass you by.

John Sales

I have learned throughout my life as a composer chiefly through my mistakes and pursuits of false assumptions, not my exposure to founts of wisdom and knowledge.

Igor Stravinski

Assumptions are the termites of relationships.

Henry Winkler

We simply assume that the way we see things is the way they really are or the way they should be. And our attitudes and behaviors grow out of these assumptions.

Stephen R. Covey

Don't make assumptions. Find the courage to ask questions and to express what you really want. Communicate with others as clearly as you can to avoid misunderstandings, sadness and drama. With just this one agreement, you can completely transform your life.

Miguel Angel Ruiz

Don't accept excuses; totally deny the status quo.

Hiroyuki Hirano

Begin challenging your own assumptions. Your assumptions are your windows on the world. Scrub them off every once in awhile, or the light won't come in.

Alan Alda

Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions.  >>>

E. T. Bell

Most of our assumptions have outlived their uselessness.

Marshall McLuhan

The harder you fight to hold on to specific assumptions, the more likely there's gold in letting go of them.

John Seely Brown

You must stick to your conviction, but be ready to abandon your assumptions.

Denis Waitley

The creative individual has the capacity to free himself from the web of social pressures in which the rest of us are caught. He is capable of questioning the assumptions that the rest of us accept.

John W. Gardner