The aim of education is to make the pupil like and dislike what he ought....The little human animal will not at first have the right responses. It must be trained to feel pleasure, liking, disgust, and hatred at those things which really are pleasant, likable, disgusting, and hateful.
Besides the progress of industry and technique, we see a growing discontent among the masses; we see, besides the expansion ("expansion,", Fr.) of instruction, distrust and hatred expanding among nations ("s'étendre la méfiance et la haine entre," Fr.), that vie with one another ("qui rivalisent à l'envi," Fr.), by the increase of their armies and the improvement of their engines of murder ("engins meurtriers", Fr).
Hatred, jealousy, and fear hinder peace of mind. When you're angry or unforgiving, for example, your mental suffering is constant. It is better to forgive than to spoil your peace of mind with ill feelings.
The spirit of our American radicalism is destructive and aimless; it is not loving; it has no ulterior and divine ends; but is destructive only out of hatred and selfishness.
We do not admire, we hardly excuse, the fanatic who wrecks this world for love of the other. But what are we to say of the fanatic who wrecks this world out of hatred of the other? He sacrifices the very existence of humanity to the non-existence of God. He offers his victims not to the altar, but merely to assert the idleness of the altar and the emptiness of the throne. He is ready to ruin even that primary ethic by which all things live, for his strange and eternal vengeance upon some one who never lived at all.