When Soul, through ignorance, repeatedly becomes associated with qualities, he fails to understand his own real nature and therefore he fails to acquire Liberation.
यदाज्ञानेन कुर्वीत गुणसर्ग पुनः पुनः। यदाऽऽत्मानं न जानीते तदाऽऽत्मापि न मुच्यते॥