The prevalence of suicide, without doubt, is a test of height in civilization; it means that the population is winding up its nervous and intellectual system to the utmost point of tension and that sometimes it snaps. Henry Ellis
The problem is that no ethical system has ever achieved consensus. Ethical systems are completely unlike mathematics or science. This is a source of concern. Daniel Dennett
The problem with a purely collective system is not only that it requires economic growth, and the right sort of demographic trends, but that it prevents people thinking about their futures in a responsible way. Jacques Delors
The public has lost faith in the ability of Social Security and Medicare to provide for old age. They've lost faith in the banking system and in conventional medical insurance. Ron Chernow
The purpose behind terrorism is to instill fear in people - the fear that electrical power, for instance, will be taken away or the transportation system will be taken down. Vinton Cerf
The rest of the world needs the US economy and financial system to recover in order for it to revive. We remain at the center of global economic activity with financial and trade ties to every region of the globe. Timothy Geithner
The retirement system that is in place for members of Congress and other federal workers features what is known as the Federal Employment Retirement Plan. Virgil Goode
The social system grows rigid but the productive forces continue to expand, and conflict ensues between the forces of production and the social conditions of production. Earl Browder
The stage of the development of the productive forces determines the political and ideological superstructure of society which are crystallized into a system of social organization. Earl Browder
The system adopted in the Latin American instrument proves that, although no state can obligate another to join such a zone, neither can one prevent others wishing to do so from adhering to a regime of total absence of nuclear weapons within their own territories. Alfonso G. Robles
The system becomes logically closed when each of the logical implications which can be derived from any one proposition within the system finds its statement in another proposition in the same system. Talcott Parsons
