A father's death is the most important event, the more heartbreaking and poignant loss in a man's life.

Love and work are the cornerstones of our humanness.

Religion is an attempt to get control over the sensory world, in which we are placed, by means of the wish-world which we have developed inside us as a result of biological and psychological necessites.

The effect of the consolations of religion may be compared to that of a narcotic.

In human beings pure masculinity or femininity is not to be found either in a psychological or biological sense.

Religious illusion must bow to scientific truth. It is in total error about the nature of the true world. Only science is not an illusion.

In the development of mankind as a whole, just as in individuals, love alone acts as the civilizing factor in the sense that it brings a change from egoism to altruism.