All talk of limits to human knowledge is a nonsense. One should rather ask: Is it not possible for the human being to rise to a higher level of knowledge? Are not what one calls the eyes and the ears of the spirit perhaps a reality?
There have always been individuals who have worked on certain latent faculties and who can thus see more than others. Their testimony might be just as valid as the testimony of those who look through the microscope.
How many people have actually seen what the scientific history of creation teaches? I would like to ask, how many people have seen what they talk about? How many, for example, have in actual fact, proof of the development of the human embryo? If they were to ask themselves such questions they would see what a blind faith it is that governs them. And if it is a justified faith, then the faith based on the testimony of the Initiates who speak from their spiritual experiences is equally justified.
Source: Rudolf Steiner – GA 54 – Woman and Society – Hamburg, 17th November 1906