Valmiki Ramayana Ayodhya Kanda Sarga 46 Shloka 8
Original Shlokaभरतस्यानृशंसत्वं विचिन्त्याहं पुनः पुनः। नानुशोचामि पितरं मातरं चापि लक्ष्मण।।2.46.8।।
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लक्ष्मण Lakshmana, अहं I, भरतस्य Bharata's, अनृशंसत्वम् lack of wickedness, पुनः पुनः again again, विचिन्त्य after reflecting about, पितरम् father, मातरं च and mother, नानुशोचामि have no regrets.
As I reflect again and again on the benevolent nature of Bharata, there is no concern in me about my parents, O Lakshmana