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

A certain degree of neurosis is of inestimable value as a drive, especially to a psychologist.

The communal life of human beings had . . . a two-fold foundation: the compulsion to work, which was created by external necessity, and the power of love.

Neurosis is the inability to tolerate ambiguity.

If youth knew; if age could.

I think that in general it is a good plan occasionally to bear in mind the fact that people were in the habit of dreaming before there was such a thing as psychoanalysis.

The first requisite of civilization, therefore, is that of justice — that is, the assurance that a law once made will not be broken in favour of an individual. This implies nothing as to the ethical value of such a law.