Argument Quote by Carl Sagan

“You can't cure ignorance based solely on the basis of a valid argument...”

— Gary Nilsen

Suppressing ideas never succeeds in making them go away.

— Barack Obama

The attempt to suppress an idea has always and everywhere proved a failure.

— Helen Keller

Never underestimate the power of bad ideas. They must be refuted again and again.

— Llewellyn Rockwell

Let's not dismiss or attack individual ideas as being inadequate before we have had a chance to assess their positive effect as part of…

— John Thune

Abandon false ideas, that is all. There is no need of true ideas. There aren't any.

— Sri Nisargadatta Maharaj

Profound insights arise only in debate, with a possibility of counterargument, only when there is a possibility of expressing not only correct ideas but…

— Andrei Sakharov

If you can’t reduce your argument to a few crisp words and phrases, there’s something wrong with your argument.

— Maurice Saatchi

We don't have ways of resolving the arguments in idea meritocratic way.

— Ray Dalio

It's much better to have your arguments dismissed because you might be joking than to have your arguments dismissed because you're not telling the…

— P. J. O'Rourke

When one's ideas are not challenged, one's ability to defend them weakens.

— John Stuart Mill

Ideas have consequences, and totally erroneous ideas are likely to have destructive consequences.

— Steve Allen