Ethical religion affirms the continuity of progress toward moral perfection. It affirms that the spiritual development of the human race cannot be prematurely cut off, either gradually or suddenly; that every stone of offence against which we stumble is a stepping-stone to some greater good; that, at the end of days, if we choose to put it so, or, rather, in some sphere beyond the world of space and time, all the rays of progress will be summed and centred in a transcendent focus.
Felix AdlerEvery dogma, every philosophic or theological creed, was at its inception a statement in terms of the intellect of a certain inner experience.
Felix AdlerThe ethical manifold, conceived of as unified, furnishes, or rather is, the ideal of the whole.
Felix AdlerBy what sort of experience are we led to the conviction that spirit exists? On the whole, by searching, painful experience. The rose Religion grows on a thorn-bush, and we must not be afraid to have our fingers lacerated by the thorns if we would pluck the rose.
Felix Adler