The state has physical power and uses it when necessary; the power of religion is love and beneficence

Revealed religion is one thing, revealed legislation, another.

My religion recognizes no obligation to resolve doubt other than through rational means; and it commands no mere faith in eternal truths

Judaism boasts of no exclusive revelation of eternal truths that are indispensable to salvation, of no revealed religion in the sense in which that term is usually understood.

Consciousness of myself, combined with complete ignorance of everything that does not fall within my sphere of thinking, is the most telling proof of my substantiality outside God, of my original existence

Reader! To whatever visible church, synagogue, or mosque you may belong! See if you do not find more true religion among the host of the excommunicated than among the far greater host who excommunicated them.

We would be able neither to remember nor to reflect nor to compare nor to think, indeed, we would not even be the person who we were a moment ago, if our concepts were divided among many and were not to be encountered somewhere together in their most exact combination.