Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 33-35
Sanskrit:
श्रीभगवानुवाचअहिंसा सत्यमस्तेयमसङ्गो ह्रीरसञ्चय: ।आस्तिक्यं ब्रह्मचर्यं च मौनं स्थैर्यं क्षमाभयम् ॥ ३३ ॥शौचं जपस्तपो होम: श्रद्धातिथ्यं मदर्चनम् ।तीर्थाटनं परार्थेहा तुष्टिराचार्यसेवनम् ॥ ३४ ॥एते यमा: सनियमा उभयोर्द्वादश स्मृता: ।पुंसामुपासितास्तात यथाकामं दुहन्ति हि ॥ ३५ ॥
ITRANS:
śrī-bhagavān uvācaahiṁsā satyam asteyamasaṅgo hrīr asañcayaḥāstikyaṁ brahmacaryaṁ camaunaṁ sthairyaṁ kṣamābhayam
Translation:
The Supreme Personality of Godhead said: Nonviolence, truthfulness, not coveting or stealing the property of others, detachment, humility, freedom from possessiveness, trust in the principles of religion, celibacy, silence, steadiness, forgiveness and fearlessness are the twelve primary disciplinary principles. Internal cleanliness, external cleanliness, chanting the holy names of the Lord, austerity, sacrifice, faith, hospitality, worship of Me, visiting holy places, acting and desiring only for the supreme interest, satisfaction, and service to the spiritual master are the twelve elements of regular prescribed duties. These twenty-four elements bestow all desired benedictions upon those persons who devotedly cultivate them.