yOhanaH 13:14-15

yadyahaM prabhu rguruzca san yuSmAkaM pAdAn prakSAlitavAn tarhi yuSmAkamapi parasparaM pAdaprakSAlanam ucitam| ahaM yuSmAn prati yathA vyavAharaM yuSmAn tathA vyavaharttum EkaM panthAnaM darzitavAn|