One can decide that the principal role of knowledge is as an indispensable element in the functioning of society, and act in accordance with that decision, only if one has already decided that society is a giant machine. – Jean-Francois Lyotard
A mans ethical behavior should be based effectively on sympathy, education, and social relationships; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death. – Albert Einstein