Ubhayasutta 5.1

5.1

Tatra, bhikkhave, yāyaṃ paṭipadā sukhā khippābhiññā, ayaṃ, bhikkhave, paṭipadā ubhayeneva paṇītā akkhāyati. Yampāyaṃ paṭipadā sukhā, imināpāyaṃ paṇītā akkhāyati; yampāyaṃ paṭipadā khippā, imināpāyaṃ paṇītā akkhāyati.

The pleasant practice with swift insight is said to be superior in both ways: because it’s pleasant, and because it’s swift.