The sexual wishes in regard to the mother become more intense and the father is perceived as an obstacle to the; this gives rise to the Oedipus complex.

Religion belonged to the infancy of humanity. Now that humanity had come of age, it should be left behind.

If the truth of religious doctrines is dependent on an inner experience that bears witness to the truth, what is one to make of the many people who do not have that experience?

In the last analysis the entire field of psychology may reduce to biological electrochemistry.

The gods retain their threefold task: they must exorcize the terrors of nature, they must reconcile men to the cruelty of Fate, particularly as it is shown in death, and they must compensate them for the sufferings and privations which a civilized life in common has imposed on them.

Nature delights in making use of the same forms in the most various biological connections: as it does, for instance, in the appearance of branch-like structures both in coral and in plants, and indeed in some forms of crystal and in certain chemical precipitates.

No other technique for the conduct of life attaches the individual so firmly to reality as laying emphasis on work; for his work at least gives him a secure place in a portion of reality, in the human community.