A common mistake people make when trying to design something completely
foolproof is to underestimate the ingenuity of complete fools.
Do not overestimate the competition and underestimate yourself. You are
better than you think.
-T. Harv Eker
Do not underestimate the power of The Force.
Don't underestimate the power of being underestimated.
Don't underestimate the value of Doing Nothing, of just going along,
listening to all the things you can't hear, and not bothering.
Friendly cynics and fierce enemies alike often underestimate or ignore
the strong thread of moral purpose which runs through the fabric of
-Lyndon B. Johnson
Let no one underestimate the need of pity. We live in a stony universe
whose hard, brilliant forces rage fiercely.
Markets are designed to allow individuals to look after their private
needs and to pursue profit. It's really a great invention and I wouldn't
underestimate the value of that, but they're not designed to take care
of social needs.
Never underestimate the corrective lens that is sentimentality.
Never underestimate the effectiveness of a straight cash bribe.
Never underestimate the joy people derive from hearing something they
Never underestimate the power of a lot of stupid people working in the
Never underestimate the power of human stupidity.
-Robert A. Heinlein
Never underestimate the power of psychosis.
Never underestimate the power of stupid people in large groups.
Never underestimate your adversary, not even in a snowball fight.
Never underestimate your listener's intelligence, or overestimate you
No one in this world, as far as I know.... has ever lost money by
underestimating the intelligence of the great masses of the plain people.
Of course most people underestimate the warrior characteristics of the
Anglo-Saxon and Norman peoples anyway. It takes a heap of piety to keep
a Viking from wanting to go sack a city.
Once you have mastered time, you will understand how true it is that
most people overestimate what they can accomplish in a year- and
underestimate what they can achieve in a decade!
There is no such thing as an underestimate of average intelligence.
There's a persistent tendency for us to very seriously underestimate how
much design has gone into our brains in the course of our beloved Gaia's
yottaflop parallel computation running on a quintillion processors for
several billion years.
They misunderestimated me.
-George W. Bush
Those you say they give the public what it wants begin by
underestimating public taste and end by debauching it.
Too often we underestimate the power of a touch, a smile, a kind word, a
listening ear, an honest compliment, or the smallest act of caring, all
of which have the potential to turn a life around.
We always overestimate the change that will occur in the next two years
and underestimate the change that will occur in the next ten. Don't let
yourself be lulled into inaction.