an.8.119 Aṅguttara Nikāya (Numbered Discourses)

“Bhikkhus, for direct knowledge of lust, eight things are to be developed. What eight? (1) One percipient of forms internally sees forms externally, limited, beautiful or ugly. Having overcome them, he is percipient thus: ‘I know, I see.’ (2) One percipient of forms internally sees forms externally, measureless, beautiful or ugly. Having overcome them, he is percipient thus: ‘I know, I see.’ (3) One not percipient of forms internally sees forms externally, limited, beautiful or ugly. Having overcome them, he is percipient thus: ‘I know, I see.’ (4) One not percipient of forms internally sees forms externally, measureless, beautiful or ugly. Having overcome them, he is percipient thus: ‘I know, I see.’ (5) One not percipient of forms internally sees forms externally, blue ones, blue in color, with a blue hue, with a blue tint … (6) … yellow ones, yellow in color, with a yellow hue, with a yellow tint … (7) … red ones, red in color, with a red hue, with a red tint … (8) … white ones, white in color, with a white hue, with a white tint. Having overcome them, he is percipient thus: ‘I know, I see.’ For direct knowledge of lust, these eight things are to be developed.”