Never attribute to malice that which can be adequately explained by stupidity. Never underestimate the power of human stupidity.
Never underestimate the potential for human stupidity when wealth and power are at stake.
Never underestimate human stupidity.
Never underestimate the power of jealousy and the power of envy to destroy. Never underestimate that.
Never underestimate the predictability of stupidity.
You can never underestimate the stupidity of the general public.
Never underestimate the power of dreams and the influence of the human spirit. We are all the same in this notion: The potential for greatness lives within each of us.
Never underestimate the power of the human mind to believe what it wants to
believe, no matter the conflicting evidence.
Cats virtually always underestimate human intelligence just as we, perhaps, underestimate theirs.
In Madeleine's face was a stupidity Mitchell had never seen before. It was the stupidity of all normal people. It was the stupidity of the fortunate and the beautiful, of everybody who got what they wanted in life and so remained unremarkable.
You can never underestimate the amount of energy and frequency you must give to vision casting. You can never underestimate it.
We ordinary people might lack your great speed or your X-Ray vision, Superman, but never underestimate the power of the human mind. We carry the most dangerous weapon on Earth inside these thick skulls of ours.