Gita 16.23
यः, शास्त्रविधिम्, उत्सृज्य, वर्तते, कामकारतः,
न, सः, सिद्धिम्, अवाप्नोति, न, सुखम्, न, पराम्, गतिम्।।23।।
YaH, shaastrvidhim’, utsrjya, vartte, kaamkaaratH,
Na, saH, siddhim’, avaapnoti, na, sukham’, na, paraam’, gatim’ ||23||
Translation: (YaH) he who (shaastrvidhim’) injunctions of scriptures (utsrjya) abandoning (kaamkaaratH) according to his whimsical desires (vartte) acts (saH) he (na) neither (siddhim’) siddhi/perfection/spiritual success (avaapnoti) attains (na) nor (paraam’) supreme (gatim’) state/salvation and (na) nor (sukham’) happiness. (23)
Translation: He who, abandoning the injunctions of the scriptures, acts according to the whimsical desires, neither attains siddhi/perfection, nor supreme state/salvation, nor happiness.