กุศลธรรม เป็นปัจจัยแก่กุศลธรรม
TIPITAKA Volume 40 : PALI ROMAN Abhidhamma Pitaka Vol 7 : Abhi. Pa.(1) Paṭṭhānaṃ Pañhāvārassa paccanīyauddhāro
[674] Kusalo dhammo kusalassa dhammassa ārammaṇapaccayena paccayo ... sahajātapaccayena paccayo ... Upanissayapaccayena paccayo. Kusalo dhammo akusalassa dhammassa ārammaṇapaccayena paccayo ... upanissayapaccayena paccayo . kusalo dhammo abyākatassa dhammassa ārammaṇapaccayena paccayo ... sahajātapaccayena paccayo ... Upanissaya- paccayena paccayo ... pacchājātapaccayena paccayo ... Kammapaccayena paccayo . kusalo dhammo kusalassa ca abyākatassa ca dhammassa sahajātapaccayena paccayo.