I've been a fortunate man in life, nothing has come easily.

From error to error one discovers the entire truth.

The intention that man should be happy is not in the plan of Creation.

The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.

Even if all parts of a problem seem to fit together like the pieces of a jigsaw puzzle, one has to remember that the probable need not necessarily be the truth and the truth not always probable.

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

This transmissibility of taboo is a reflection of the tendency, on which we have already remarked, for the unconscious instinct in the neurosis to shift constantly along associative paths on to new objects.