One must even beware of too much certainty that the answer to life's problems can only be found in one way and that all must agree to search for light in the same way and cannot find it in any other way.

Freethinkers are those who are willing to use their minds without prejudice and without fearing to understand things that clash with their own customs, privileges, or beliefs.

Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.

When we lose the right to be different, we lose the privilege to be free.

Strength lies in differences, not in similarities.

There never were in the world two opinions alike, no more than two hairs or two grains; the most universal quality is diversity.

America has believed that in differentiation, not in uniformity, lies the path of progress. It acted on this belief; it has advanced human happiness, and it has prospered.

Wide differences of opinion in matters of religious, political, and social belief must exist if conscience and intellect alike are not to be stunted, if there is to be room for healthy growth.

Difference of opinion is helpful in religion.

Diversity and independence are important because the best collective decisions are the product of disagreement and contest, not consensus or compromise.

Strength lies in differences, not in similarities.

It is not that I'm so smart. But I stay with the questions much longer.

The measure of intelligence is the ability to change.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

To effectively communicate, we must realize that we are all different in the way we perceive the world and use this understanding as a guide to our communication with others.

In our work and in our living, we must recognize that difference is a reason for celebration and growth, rather than a reason for destruction.

Human salvation lies in the hands of the creatively maladjusted.

Diversity: the art of thinking independently together.

Our ability to reach unity in diversity will be the beauty and the test of our civilisation.

Differences challenge assumptions.

Where all think alike, no one thinks very much.

Diversity creates dimension in the world.

Controversial' as we all know, is often a euphemism for 'interesting and intelligent.

Wit lies in recognizing the resemblance among things which differ and the difference between things which are alike.

Honest difference of views and honest debate are not disunity.They are the vital process of policy among free men.

The biggest mistake is believing there is one right way to listen, to talk, to have a conversation -- or a relationship.

Honest difference of views and honest debate are not disunity. They are the vital process of policy among free men.

Peace is not unity in similarity but unity in diversity, in the comparison and conciliation of differences.

I not only use all the brains that I have, but all I can borrow.