41. The best means of securing the cooperation of the builders is to appeal to their self - interest 42. Based on or marked by a concern for self - interest rather than principle ; self - interested 43. " there are two things at stake here : one is human interest and the other is self - interest 44. It was a losing fight until conscience joined forces with fear and self - interest against it 45. They will use strong insistent strategy for self - interested purpose , but not for seeking fairness goal 46. This time it will not be easy for him to prevent his moral judgement from being clouded by self - interest 47. Self - interest prompts every employer to keep the best ? those who can carry a message to garcia48. The peot does not live for self - interest , nor does he spend his time on trifles ; he lives the lives of mankind 49. In the people ' s commune times , the local government was the agents of the state , there is no self - interest at all