Shiva Purana
श्रेयोर्थी चेन्नरो धीमान्न मिथ्याचारमाचरेत् ॥ गुरोर्हितं प्रियं कुर्यादादिष्टो वा न वा सदा ॥ ३३ ॥
If a wise man seeks the best for himself, he should not engage in false conduct. Whether instructed or not, one should always do what pleases the spiritual master.
english translation
zreyorthI cennaro dhImAnna mithyAcAramAcaret ॥ gurorhitaM priyaM kuryAdAdiSTo vA na vA sadA ॥ 33 ॥
hk transliteration by Sanscript