Bhagwad Gita
Chapter 16, Verse 20
असुरीं योनिमापन्ना मूढा जन्मनि जन्मनि।मामप्राप्यैव कौन्तेय ततो यान्त्यधमां गतिम्।।16.20।।
Attaining repeated birth amongst the species of demoniac life, such persons can never approach Me. Gradually they sink down to the most abominable type of existence.