Bhagavad Gita 16.1
Lord Shri Krishna continued: Fearlessness, clean living, unceasing concentration on wisdom, readiness to give, self-control, a spirit of sacrifice, regular study of the scriptures, austerity, candor,
श्री भगवानुवाच
अभयं सत्त्वसंशुद्धिः ज्ञानयोगव्यवस्थितिः।
दानं दमश्च यज्ञश्च स्वाध्यायस्तप आर्जवम्॥śrī bhagavānuvāca
abhayaṃ sattvasaṃśuddhiḥ jñānayogavyavasthitiḥ|
dānaṃ damaśca yajñaśca svādhyāyastapa ārjavam||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).