There are (or is) indeed no contradiction between science and religion, the fields of which are different, and which, far from mutually fighting and persecute, must, on the contrary, complete each other.
Men who have sacrifice their well-being, and even their lives, for the cause of truth or the public good, are, from an empirical point of view - which scorn ("fait fi", Fr.) virtue and altruism - regarded as insane or fools; but, from a moral standpoint, they are heros who do honour ("qui honorent", Fr.) humanity.
Experience shows that what great role pratice and experience play in education; pratice, the prolonged exercice lead to habit: exemple suggests imitation. Habit can become a second nature, but, wrongly directed (or guided), it may also heighten (or intensify) unfortunate tendencies and be an obstacle to progress.
Up to here, in general, we have mainly stuffed the brain of the young people with a indigestible multitude of varios notions, without thinking about enough of the prime necessity to form their character.
The more a man is successful in getting out (or coming out) from his own individuality, of his egoist self, and to control (or dominate) the instincts of his physical nature, the more his character, by rising above material contingencies, widen, become free and independent.
The intellectual development of man, far from having get men away from war, has, rather, on the contrary, bring them to a refinment always more perfected in the art of killing. They even came to raise the methods of slaughter to the rank of "science"... We would not (On ne saurait", Fr.) imagine a more extraordinary moral blindness!