When a person withdraws all his desires like a tortoise withdrawing all its limbs, then its soul, which is self-luminous, can see itself.
यदा संहरते कामान् कूर्मोऽङ्गानीव सर्वशः। तदाऽऽत्मज्योतिरात्मायमात्मन्येव प्रपश्यति॥