The greatest service that can be offered to children who show personality traits or inclinations that might not be understood by the adults around them is to allow them to express their own unique humanity.
Direct [people] towards mutual affection. A beast gnawing at its prey can be happy too, but only human beings can feel affection for each other, and this is the highest achievement they can aspire to.
Justice is conscience, not a personal conscience but the conscience of the whole of humanity. Those who clearly recognize the voice of their own conscience usually recognize also the voice of justice.
On what surprised him most about humanity: Man. Because he sacrifices his health in order to make money. Then he sacrifices money to recuperate his health. And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived.
The strength or weakness of a society depends more on the level of its spiritual life than on its level of industrialization. Neither a market economy nor even general abundance constitutes the crowning achievement of human life. If a nation's spiritual energies have been exhausted, it will not be saved from collapse by the most perfect government structure or by any industrial development. A tree with a rotten core cannot stand.
The basis of moral principles is to have a real concern for the well-being of others and an appreciation of the oneness of humanity. Whether science or religion is constructive or destructive depends on our motivation and whether we are guided by moral principles.