Bob: This is... Being in these modes determines your karma, is that correct?
Bob: Determines your karma.
Prabhupāda: According to the association of the modes of nature your activities are being contaminated. Kāraṇaṁ guṇa-saṅgo 'sya sad-asad-yoni-janmasu (BG 13.22). A man gets higher birth or lower birth according to the association of the guṇa, or the modes of nature.