"The awareness of the all-surpassing importance of social groups is now general property in America."

"Educators are aware that they can reach the youth only by making use of gang spirit and guiding it, not by working ag…"

"These are strange times. Reason, which once combatted faith and seemed to have conquered it, now has to look to faith…"

"History can predict nothing except that great changes in human relationships will never come about in the form in whi…"

"The practices that led to the formation of the spontaneous order have much in common with rules observed in playing a…"

"Ernst ist Nichtspiel und nichts anderes. Der Bedeutungsinhalt von Spiel dagegen ist mit Nichternst keineswegs definie…"

"When his career was ended in 1864 he had the mortification of witnessing the ruin of a teaching to which he had devot…"

"His volume of essays is the most important survey of general historical problems that has appeared for many years... …"

"History can reach no unchallengeable conclusions on so many-sided a character, on a life so dominated, so profoundly …"

"[I]t is the historian's task to deal with the individual in relation to the community. Furthermore his task is a very…"