Dhammapada 20.2
This is the way, there is no other that leads to the purifying of intelligence. Go on this way! Everything else is the deceit of Mara (the tempter).
English translation: F. Max Müller (1881). Source
Reflect on this verse with Ananda
What does this verse stir in you? Ask anything — Ananda draws from many traditions and honours your own path.