The most formidable weapon against errors of every kind is reason.
Thomas Paine

The pen is a formidable weapon, but a man can kill himself with it a great deal more easily than he can other people.
George Dennison Prentice

The power of one, if fearless and focused, is formidable, but the power of many working together is better.
Gloria Macapagal Arroyo

The purpose cannot be creating self-styled democracies, but rather encouraging steps that are conducive to establishing democratic rule at universal standards. Obviously, this would be a formidable journey.
Recep Tayyip Erdogan

The real cure for our environmental problems is to understand that our job is to salvage Mother Nature. We are facing a formidable enemy in this field. It is the hunters... and to convince them to leave their guns on the wall is going to be very difficult.
Jacques Yves Cousteau

The suspicious mind believes more than it doubts. It believes in a formidable and ineradicable evil lurking in every person.
Eric Hoffer

There is no power on earth more formidable than the truth.
Margaret Lee Runbeck

This is a formidable enemy. To dismiss it as a bunch of 'cowards' perpetuating 'senseless acts of violence' is complacent nonsense. People willing to kill thousands of innocents while they kill themselves are not cowards. They are deadly vicious warriors and need to be treated as such.
Charles Krauthammer

Too often, older women are seen as victims, but I know lots of formidable women who have marvellous jobs as well as a full erotic life, and children and friends and family.
Francesca Annis

When a thing is said to be not worth refuting you may be sure that either it is flagrantly stupid - in which case all comment is superfluous - or it is something formidable, the very crux of the problem.
Percy Bysshe Shelley