What yesterday was still religion is no longer such today; and what today is atheism, tomorrow will be religion.

It is as clear as the sun and as evident as the day that there is no God and that there can be none.

In the consciousness of the infinite, the conscious subject has for his object the infinity of his own nature.

The present age ... prefers the sign to the thing signified, the copy to the original, fancy to reality, the appearance to the essence ... for in these days illusion only is sacred, truth profane.

My only wish isto transform friends of God into friends of man, believers into thinkers, devotees of prayer into devotees of work, candidates for the hereafter into students of the world, Christians who, by their own procession and admission, are half animal, half angel into persons, into whole persons.

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.

The joys of theory are the sweetest intellectual pleasures of life