Assumption is the mother of screw-up. ~ Angelo Donghia

Assumption Theory: The only safe assumption in life is that the person who assures you that everything is all right is all wrong. ~ Robert J. Ringer

Assumptions allow the best in life to pass you by. ~ John Sales

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

Never assume the obvious is true. ~ William Safire

Never make the mistake of assuming the critters will beat a path to your door. ~ John P. Mascotte

Until we can understand the assumptions in which we are drenched we cannot know ourselves. ~ Adrienne Rich

We cheerfully assume that in some mystic way love conquers all, that good outweighs evil in the just balances of the universe and that at the eleventh hour something gloriously triumphant will prevent the worst before it happens. ~ Brooks Atkinson

What happens if a big asteroid hits Earth? Judging from realistic simulations involving a sledge hammer and a common laboratory frog, we can assume it will be pretty bad. ~ Dave Barry

The amazing thing is, the "assumption" part of our decision-making process is usually the part that gets the least examination...It's the part we take for granted. ~ Christian Overman

Some people become so expert at reading between the lines they don’t read the lines. ~ Margaret Millar

Assumptions are the termites of relationships. ~ Henry Winkler

Your assumptions are your window on the world. Scrub them off every once in awhile or the light won't get in. ~ Isaac Asimov

If you never assume importance, you never lose it. ~ Lao Tzu

You must stick to your convictions, but be ready to abandon your assumptions. ~ Denis Waitley