I have always taken as the standard of the mode of teaching and writing, not the abstract, particular, professional philosopher, but universal man, that I have regarded man as the criterion of truth, and not this or that founder of a system, and have from the first placed the highest excellence of the philosopher in this, that he abstains, both as a man and as an author, from the ostentation of philosophy, i. e., that he is a philosopher only in reality, not formally, that he is a quiet philosopher, not a loud and still less a brawling one.

It is not as in the Bible, that God created man in his own image. But, on the contrary, man created God in his own image.

Man created God in his own image.

Theology is Anthropology... [T]he distinction which is made, or rather supposed to be made, between the theological and anthropological predicates resolves itself into an absurdity.

Religion is the dream of the human mind. But even in dreams we do not find ourselves in emptiness or in heaven, but on earth, in the realm of reality; we only see real things in the entrancing splendor of imagination and caprice, instead of in the simple daylight of reality and necessity.

The joys of theory are the sweetest intellectual pleasures of life

To theology, ... only what it holds sacred is true, whereas to philosophy, only what holds true is sacred.