The concessions of the privileged to the unprivileged are seldom brought about by any better motive than the power of the unprivileged to extort them.

On religion in particular, the time appears to me to have come, when it is a duty of all who, being qualified in point of knowledge, have, on mature consideration, satisfied themselves that the current opinions are not only false, but hurtful, to make their dissent known.

If the earth must lose that great portion of its pleasantness which it owes to things that the unlimited increase of wealth and population would extirpate from it, for the mere purpose of enabling it to support a larger, but not a happier or a better population, I sincerely hope, for the sake of posterity, that they will be content to be stationary, long before necessity compels them to it.

... the besetting danger is not so much of embracing falsehood for truth, as of mistaking a part of the truth for the whole.

Among the facts of the universe to be accounted for, it may be said, is Mind; and it is self evident that nothing can have produced Mind but Mind.

There is no 'one-size-fits-all' way to build an audience.

It is conceivable that religion may be morally useful without being intellectually sustainable.