Where id was, there ego shall be.

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

The voice of the intellect is a soft one, but it does not rest until it has gained a hearing.

Love and work — work and love, that's all there is.

Once Zhuang Zhou dreamed he was a butterfly, fluttering happily about, unaware he was Zhou. Suddenly he awoke, and there he was, unmistakably Zhou. He did not know whether Zhou had dreamed he was a butterfly, or a butterfly was dreaming it was Zhou.

-- Zhuang Zhou

The I posits itself, and exists only by virtue of this self-positing.

-- Johann Gottlieb Fichte

The ego, driven by the id, confined by the super-ego, repulsed by reality, struggles to master its economic task of bringing about harmony among the forces and influences working in and upon it.

-- Anna Freud

Where id was, there ego shall be.

-- Sigmund Freud