Ramayana
चत्वारो दिवसाः सौम्य कार्यं पौरजनस्य वै । अकुर्वाणस्य सौमित्रे तन्मे मर्माणि कृन्तति ॥ 7-53-4 ॥
"Four days, O gentle one, of not attending to the affairs of the townspeople, O son of Sumitra — that cuts me to the very quick."
english translation