Reason and free inquiry are the only effectual agents against error. - Thomas Jefferson

A wise man proportions his belief to the evidence. - David Hume

Man is the measure of all things. - Protagoras

The world is my country, and to do good my religion. - Thomas Paine

Those with the privilege to know, have a duty to act. - Albert Einstein

To free a man from error is to give, not take away. - Arthur Schopenhauer

We created god in our own image and likeness! - George Carlin

Faith: Not wanting to know what is true. - Friedrich Wilhelm Nietzsche

Why is humanism not the preeminent belief of humankind? - Joyce Carol Oates

If atheism is a religion, then 'bald' is a hair color. - Unknown

First they ignore you, then they laugh at you, then they fight you, then you win. - Mahatma Gandhi

Facts do not cease to exist because they are ignored. - Aldous Huxley

Life is not a having and a getting, but a being and a becoming. - Matthew Arnold

I am an optimist. It does not seem too much use being anything else. - Winston Churchill

The death of dogma is the birth of reason. - Immanuel Kant

Blasphemy is what an old dogma screams at a new truth. - Robert Ingersoll

Zeal without knowledge is fire without light. - Thomas Fuller

Theology is ignorance with wings. - Sam Harris

Human decency is not derived from religion. It precedes it. - Christopher Hitchens

The invisible and the non-existent look very much alike. - Delos B. McKown

Religion. It's given people hope in a world torn apart by religion. - Jon Stewart

It ain't the parts of the Bible that I can't understand that bother me, it is the parts that I do understand. - Mark Twain

Religion is excellent stuff for keeping common people quiet. - Napoleon Bonaparte

I am against religion because it teaches us to be satisfied with not understanding the world. - Richard Dawkins

You're basically killing each other to see who's got the better imaginary friend. - Richard Jeni

I turned to speak to God, About the world's despair; But to make bad matters worse, I found God wasn't there. - Robert Frost

Pointing to another world will never stop vice among us; shedding light over this world can alone help us. - Walt Whitman

Nothing can be more contrary to religion and the clergy than reason and common sense. - Voltaire

A humanist is someone who does the right thing even though she knows that no one is watching. - Dick McMahan

So far as I can remember, there is not one word in the Gospels in praise of intelligence. - Bertrand Russell

Science has done more for the development of Western civilization in one hundred years than Christianity did in eighteen hundred years. - Jeff Burroughs

Ignorance and superstition ever bear a close and mathematical relation to each other. - James Fenimore Cooper

We must believe, without fear, in people. - Leonard Bernstein