Meaning
Supreme God Krishna spoke
When a man can withdraw his sense organs from their objects at will, much like a tortoise can withdraw its limbs into its shell, he is known as Sthitaprajna— the one whose mind is firmly stabilized in divine consciousness. (2:58)
Sanskrit
श्रीभगवान् उवाच
यदा संहरते चायं कूर्मोऽङ्गानीव सर्वशः ।
इन्द्रियाणीन्द्रियार्थेभ्यस्तस्य प्रज्ञा प्रतिष्ठिता॥
Word-by-word
यदा सं-हरते च अयम् कूर्मः अङ्गानि इव सर्वशः,
इन्द्रियाणि इन्द्रिय-अर्थेभ्य— तस्य प्रज्ञा प्रतिष्ठिता।