B.Ab 3.01

शुभेन कर्मणा स्वर्गं निरयं च विकर्मणा। मिथ्याज्ञानेन च तमो ज्ञानेनैव परं पदम् ॥३-१॥

śubhena karmaṇā svargaṃ nirayaṃ ca vikarmaṇā। mithyājñānena ca tamo jñānenaiva paraṃ padam ॥3-1॥

[शुभेन (śubhena) - by auspicious; by virtuous; by good; कर्मणा (karmaṇā) - by action; by deed; स्वर्गं (svargaṃ) - heaven; celestial world; निरयं (nirayaṃ) - hell; lower world; च (ca) - and; विकर्मणा (vikarmaṇā) - by evil action; by wrong deed; मिथ्याज्ञानेन (mithyājñānena) - by false knowledge; by incorrect understanding; च (ca) - and; तमः (tamaḥ) - darkness; ignorance; ज्ञानेन (jñānena) - by knowledge; by wisdom; एव (eva) - indeed; only; परं (paraṃ) - supreme; highest; पदम् (padam) - state; position; goal;]

Heaven is attained by virtuous action, hell by evil action; darkness by false knowledge, and the supreme state by knowledge and wisdom alone. (3-1)