3 ideas
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |