The end comes when we no longer talk with ourselves. It is the end of genuine thinking and the beginning of the final loneliness. The remarkable thing is that the cessation of the inner dialogue marks also the end of our concern with the world around us. It is as if we noted the world and think about it only when we have to report it to ourselves.

It is when power is wedded to chronic fear that it becomes formidable.

It is to escape the responsibility for failure that the weak so eagerly throw themselves into grandiose undertakings.

People in a hurry cannot think, cannot grow, nor can they decay. They are preserved in a state of perpetual puerility.

Where there is the necessary technical skill to move mountains, there is no need for the faith that moves mountains.

There is perhaps no better way of measuring the natural endowment of a soul than by its ability to transmute dissatisfaction into a creative impulse.

Mass movements can rise and spread without belief in a God, but never without belief in a devil.