One thing is made of another, and nature allows no new creation except at the price of death..

Culture's essential service to a religion is to destroy intellectual idolatry, the recurrent tendency in religion to replace the object of its worshi….

Christianity has ever been the enemy of human love..

Sooner or later, false thinking brings wrong conduct..

The supernatural does not exist..

So much wrong could religion induce..

Thomas Paine needs no monument made with hands; he has erected a monument in the hearts of all lovers of liberty..

Religious faith to W. H. Bragg was the willingness to stake his all on the hypothesis that Christ was right, and test it by a lifetime's experiment i….

There are no dangerous thoughts; thinking itself is dangerous..

Religion is based on dogma and belief, whereas science is based on doubt and questioning..

I would, like any other scientist, willingly change my mind if the evidence led me to do so. So I care about what's true, I care about evidence, I ca….

There are things that are so serious that you can only joke about them..

Skepticism is my nature, freethought is my methodology, agnosticism is my conclusion after 25 years of being in the ministry, and atheism is my opini….

We should learn to understand natural selection, so that we can oppose any tendency to apply it to human politics..

I was convinced that our beliefs are based much more on custom and example than on any certain knowledge..

The influence of the leaders is due in very small measure to the arguments they employ, but in a large degree to their prestige. The best proof of th….

Anything more than the truth would have seemed too weak..

What makes our opponents useful is that they allow us to believe that without them we would be able to realize our goals..

Atheism thrives on bad religion..

The state authorities have no place in the church of God, no right to control and persecute the conscience..

One can't logically argue that because something highly improbable happens, some occult force had to make it happen that way..