“History is the long struggle of man, by exercise of his reason, to understand his environment and to act upon it. But the modern period has broadened the struggle in a revolutionary way. Man now seeks to understand, and act on, not only his environment, but himself; and this has added, so to speak, a new dimension to reason and a new dimension to history.”
“Man is the only living species that has the power to act as his own destroyer - and that is the way he has acted through most of his history.”
“Man has the power to act as his own destroyer and that is he has acted through most of history.”
“There will always be new opposites, class struggles and uprisings. History has no ending.”
“Never before has man had such capacity to control his own environment,...We have the power to make this the best generation of mankind in the history or the world - or make it the last.”
“God’s commands are arbitrary if He has no reason to command one act rather than another; but, if He does have reasons for His commands, then His reasons rather than His commands are whatmake acts immoral.”