My own feeling of concern arises from seeing how much moral injury and suffering is created by the superstitions of the Christian mythology.

The Penny Post will do more for the circulation of ideas, for the fostering of domestic affections, for the humanizing of the mass generally, than any other single measure that our national wit can devise.

There are always principles to be depended upon in this matter of taxation ... Amidst the inconsistent, the bewildering representations offered, a certain number must be in accordance with true principles.

We do not believe in immortality because we can't prove it, but we try to prove it because we cannot help believing it.

The last thing it [government] ought to do is to ground its proceedings on the ignorance of the people, - to yield them that which they will hereafter despise the donors for granting them.

Authorship has never been with me a matter of choice. I have not done it for amusement, or for money, or for fame, or for any reason but because I could not help it.

His subject is the "Origin of Species," & not the origin of Organization; & it seems a needless mischief to have opened the latter speculation at all.