“In reference of what is evolving in the mothers body, people are so stupid as to say: That is caused by fertilization.

When my lung is built, the head received the power to build the lungs from outer space. Specially when the kidneys are built, man received powers from outer space, from Jupiter for example.

Well, these are not fantastic ideas.” (Rudolf Steiner)

Source: Rudolf Steiner, “On health and illness", Second lecture in Dornach, 24. Oktober 1922, GA348, page 53