Dear Honza,

some good answers already. I think we experience many tiny selves, our own selves, and we are not the Supreme Controllers or Creators. Another Being has that position. Thus I think we see pragmatically, that yes, there are two Selves, our own tiny self, who is very obviously dependent on the Higher Self.

The Vedic mantra is "nityo nityananam cetanas cetananam" "The one Supreme consciousness is maintaining the many small conscious sparks"

vedabase. net or stephen-knapp .com are great resource sites.

Also in Google books, you may want to look at "Philosophy of Madhva", by BNK Sharma.