The state dictates and coerces; religion teaches and persuades. The state enacts laws; religion gives commandments. The state is armed with physical force and makes use of it if need be; the force of religion is love and benevolence.

Judaism was not a religion but a law.

The analysis of concepts is for the understanding nothing more than what the magnifying glass is for sight

I am, therefore there is a God.

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.

Revealed religion is one thing, revealed legislation, another.

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