All too often miners and indeed other trade unionists underestimate the economic strength they have.

Mysticism poor mysticism! When it is underestimated and oversimplified it comes down from its original sphere and stands beside religion.

Never underestimate the power of a simple tool.

Never underestimate the power of the State to act out its own massive fantasies.

The power of visibility can never be underestimated.

Don't you dare underestimate the power of your own instinct.

You must never underestimate the power of the eyebrow.

Undeserved praise causes more pangs of conscience later than undeserved blame but probably only for this reason that our power of judgment are more completely exposed by being over praised than by being unjustly underestimated.

Each underestimates her own power and overestimates the other's.

Never underestimate the power of human stupidity.