You must never underestimate the power of the eyebrow.
When we overestimate the benefits of exercise, underestimate how many calories we eat, and overcompensate for a job well done, exercise is really a false protection from fattening food.
While one should never underestimate the ability of risk-besotted financiers to wreak havoc, the real threat to capitalism isn't unfettered financial cunning. It is, instead, the unwillingness of executives to confront the changing expectations of their stakeholders.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
You can never underestimate the stupidity of the general public.
Golden rule of life: never underestimate your rivals.
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 ability of political leaders to misread history on a monumental scale. The invasions of Iraq and Afghanistan have both served to hasten western decline: they have both failed to achieve their objectives and in the process demonstrated an underlying western impotence.
It's easy to underestimate the real cost of home ownership.
I'll come in with a string of riffs and direct the musical ideas. But you still need a band and their input to make the ideas come alive. You can't underestimate band chemistry.
A film maker is a very intelligent man. Do not underestimate him.
A lot of parts of L.A. are interchangeable with suburbs in Joburg. Very big, ostentatious houses with palm trees and lawns. Lawns are very important. Never underestimate lawns.
President Trump has a unique way of doing things different to his predecessors, but what I would say is that don't underestimate his ability to take very intractable situations and shake the deck of cards and try and find a solution.
I'd not underestimate the competitive powers of the Japanese people.
To underestimate one's thirst, to pass a given landmark to the right or left, to find a dry spring where one looked for running water - there is no help for any of these things.
Never underestimate the power of human stupidity.
Never underestimate your problem or your ability to deal with it.
Never underestimate opponents.
Never underestimate the power of anyone's story... anyone's life.
Never underestimate the power of the ocean.