Is there any moral enormity which might not be justified by imitation of such a Deity?

So natural to mankind is intolerance ... that religious freedom has hardly anywhere been practically realized.

Each undervalues that part of the materials of thought with which he is not familiar.

There should be perfect freedom, legal and social, to do the action and stand the consequences. It would be a great misunderstanding of this doctrine to suppose that it is one of selfish indifference, which pretends that human beings have no business with each other's conduct in life, and that they should not concern themselves about the well-doing or well-being of one another, unless their own interest is involved.

My father never permitted anything which I learnt to degenerate into a mere exercise of memory. He strove to make the understanding not only go along with every step of the teaching but...precede it.

In all intellectual debates, both sides tend to be correct in what they affirm, and wrong in what they deny.

Art is the employent of the powers of nature for an end.