"The good conscience is an invention of the devil."

“Just as the wave cannot exist for itself, but is ever a part of the heaving surface of the ocean, so must I never live my life for itself, but always in the experience which is going on around me. It is an uncomfortable doctrine which the true ethics whisper into my ear. You are happy, they say; therefore you are called upon to give much.”

“What really matters is that we should all of us realize that we are guilty of inhumanity. The horror of this realization should shake us out of our lethargy so that we can direct our hopes and our intentions to the coming of an era in which war will have no place.”

“Awakening of Western thought will not be complete until that thought steps outside itself and comes to an understanding with the search for a world-view as this manifests itself in the thought of mankind as a whole. We have too long been occupied with the developing series of our own philosophical systems, and have taken no notice of the fact that there is a world-philosophy of which our Western philosophy is only a part. If, however, one conceives philosophy as being a struggle to reach a view of the world as a whole, and seeks out the elementary convictions which are to deepen it and give it a sure foundation, one cannot avoid setting our own thought face to face with that of the Hindus, and of the Chinese in the Far East. … Our Western philosophy, if judged by its own latest pronouncements, is much naiver than we admit to ourselves, and we fail to perceive this only because we have acquired the art of expressing what is simple in a pedantic way.”

“The deepest thinking is humble. It is only concerned that the flame of truth which it keeps alive should burn with the strongest and purest heat; it does not trouble about the distance to which its brightness penetrates.”

“The ideal "Life of Jesus" at the close of the nineteenth century is the "Life" which Heinrich Julius Holtzmann did not write — but which can be pieced together from his commentary on the synoptic gospels and his new testament theology. It is ideal because, for one thing, it is unwritten, and arises only in the idea of the reader by the aid of his own imagination, and, for another, because it is traced only in the most general outline.”

“Truth has no special time of its own. Its hour is now — always, and indeed then most truly when it seems most unsuitable to actual circumstances. Care for distress at home and care for distress elsewhere do but help each other if, working together, they wake men in sufficient numbers from their thoughtlessness, and call into life a new spirit of humanity.”