„Everything that is in consciousness has first been received through the senses,“ say the sensualists. They deny the view that all knowledge is already present in the human being, only that it cannot be fully retrieved.
But this – inner – knowledge can also be sensefully experienced: it is received through the soul sense. In the soul aspect there is all knowledge, even that which does not show itself in the material. So both views are correct.
If we see everything as a union of the soul, without anything being „outside“ of us, then these questions do not arise at all. Experiencing the outer environment is the same as experiencing inner immaterial realisation. Everything is the perception of the one eternal cosmic connection.