Alain De Botton said this quote

It is not only the hostility of others that may prevent us from questioning the status quo. Our will to doubt can be just as powerfully sapped by an internal sense that societal conventions must have a sound basis, even if we are not sure exactly what this may be, because they have been adhered to by a great many people for a long time. It seems implausible that our society could be gravely mistaken in its beliefs, and at the same time, that we would be alone in noticing the fact. We stifle our doubts, and follow the flock, because we cannot conceive of ourselves as pioneers of hitherto unknown difficult truths. It is for help in overcoming our meekness that we can turn to the philosopher.