Nothing exerts a stronger psychic effect upon the human environment, and especially upon children, than the life which the parents have not lived.

Carl Jung (1875-1961) Swiss psychologist

Lecture (1929-06), “Paracelsus,” Literary Club of Zurich, Paracelsus House, Einsiedeln, Schwyz, Switzerland [tr. Hull (1966)]
    (Source)

(Publication notes.) Collected in The Spirit in Man, Art, and Literature, Part 1, "Paracelsus," ¶ 3 (1929).