Each is under the most sacred obligation not to squander the material committed to him, not to sap his strength in folly and vice, and to see at the least that he delivers a product worthy the labor and cost which have been expended on him. ↗
Each organism, no matter how simple or complex, has around it a sacred bubble of space, a bit of mobile territoriality which only a few other organisms are allowed to penetrate and then only for short periods of time. ↗
