I say that knowledge and freedom are fueled by something, they’re not unfueled. And what is the fuel for knowledge and freedom? You should say: ‘The seven awakening factors.’ I say that the seven awakening factors are fueled by something, they’re not unfueled. And what is the fuel for the seven awakening factors? You should say: ‘The four kinds of mindfulness meditation.’ I say that the four kinds of mindfulness meditation are fueled by something, they’re not unfueled. And what is the fuel for the four kinds of mindfulness meditation? You should say: ‘The three kinds of good conduct.’ I say that the three kinds of good conduct are fueled by something, they’re not unfueled. And what is the fuel for the three kinds of good conduct? You should say: ‘Sense restraint.’ I say that sense restraint is fueled by something, it’s not unfueled. And what is the fuel for sense restraint? You should say: ‘Mindfulness and situational awareness.’ I say that mindfulness and situational awareness is fueled by something, it’s not unfueled. And what is the fuel for mindfulness and situational awareness? You should say: ‘Rational application of mind.’ I say that rational application of mind is fueled by something, it’s not unfueled. And what is the fuel for rational application of mind? You should say: ‘Faith.’ I say that faith is fueled by something, it’s not unfueled. And what is the fuel for faith? You should say: ‘Listening to the true teaching.’ I say that listening to the true teaching is fueled by something, it’s not unfueled. And what is the fuel for listening to the true teaching? You should say: ‘Associating with true persons.’

In this way, when the factor of associating with true persons is fulfilled, it fulfills the factor of listening to the true teaching. When the factor of listening to the true teaching is fulfilled, it fulfills the factor of faith … rational application of mind … mindfulness and situational awareness … sense restraint … the three kinds of good conduct … the four kinds of mindfulness meditation … the seven awakening factors. When the seven awakening factors are fulfilled, they fulfill knowledge and freedom. That’s the fuel for knowledge and freedom, and that’s how it’s fulfilled.