Manusmriti
वायुअग्निविप्रमादित्यमपः पश्यंस्तथैव गाः । न कदा चन कुर्वीत विण्मूत्रस्य विसर्जनम् ॥ ४८ ॥
Let him never void faeces or urine, facing the wind, or a fire, or looking towards a Brahmana, the sun, water, or cows.
english translation
vAyuagnivipramAdityamapaH pazyaMstathaiva gAH । na kadA cana kurvIta viNmUtrasya visarjanam ॥ 48 ॥
hk transliteration by Sanscript