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

For the religious the holy is truth, for the philosophic the truth is holy.

Christianity set itself the goal of fulfilling man’s unattainable desires, but for that very reason ignored his attainable desires. By promising man eternal life, it deprived him of temporal life, by teaching him to trust in God’s help it took away his trust in his own powers; by giving him faith in a better life in heaven, it destroyed his faith in a better life on earth and his striving to attain such a life. Christianity gave man what his imagination desires, but for that very reason failed to give him what he really and truly desires.

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

Man first unconsciously and involuntarily creates God in his own image, and after this God consciously and voluntarily creates man in his own image.

I would rather be a devil in alliance with truth, than an angel in alliance with falsehood.

The joys of theory are the sweetest intellectual pleasures of life