यदा संहरते चायं कूर्मोऽङ्गानीव सर्वशः । इन्द्रियाणीन्द्रियार्थेभ्यस्तस्य प्रज्ञा प्रतिष्ठिता

yadā saṃharate cāyaṃ kūrmo'ṅgānīva sarvaśaḥ indriyāṇīndriyārthebhyastasya prajñā pratiṣṭhitā

A wise person can draw the senses back from outer objects, just as a tortoise withdraws its limbs, whenever restraint is needed.