3 ideas
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
20662 | The biology of societies: kin selection, parenting, mating; status, territory, contracts [Wilson,EO] |