Ashtangahridayasamhita 85

85

nākrāmec charkarā-loṣṭa-bali-snāna-bhuvo na ca |
nadīṃ taren na bāhubhyāṃ nāgni-skandham abhivrajet || 34 ||

gravel, clods of earth, places of sacrificial offerings and bathing places, one should not tread upon; / one should not swim across a river with one's arms, nor approach a mass of fire;