Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 9

Sanskrit:

मैत्रेय उवाचईडितो भगवानेवं कपिलाख्य: पर: पुमान् ।वाचाविक्लवयेत्याह मातरं मातृवत्सल: ॥ ९ ॥

ITRANS:

maitreya uvācaīḍito bhagavān evaṁkapilākhyaḥ paraḥ pumānvācāviklavayety āhamātaraṁ mātṛ-vatsalaḥ

Translation:

Thus the Supreme Personality of Godhead Kapila, satisfied by the words of His mother, towards whom He was very affectionate, replied with gravity.

Purport:

Since the Lord is all-perfect, His exhibition of affection for His mother was also complete. After hearing the words of His mother, He most respectfully, with due gravity and good manners, replied.