सम्प्राप्ताय त्वतिथये प्रदद्यादासनौदके ।
अन्नं चैव यथाशक्ति सत्कृत्य विधिपूर्वकम् ॥
samprāptāya tv atithaye pradadyād āsanodake |
annaṁ caiva yathāśakti satkṛtya vidhi-pūrvakam ||
(Manu Smṛti: 3.99)
“To a guest who has appeared [of their own accord without an invitation or notice], one should respectfully offer according to rule water [for the person to wash their feet], a seat, and food as per one’s ability.”