The rationale for loving others is the recognition of the simple fact that every living being has the same right to and the same desire for happiness, and not suffering, and the consideration that you as one individual are one life unit as compared with the mulititude of others in their ceaseless quest for happiness.
Within the framework of the buddhist path, reflecting on suffering has tremendous importance because -realizing the nature of suffering, you will develop greater resolve to put an end to the causes of suffering and the unwholesome deeds which lead to suffering. And it will increase your enthusiasm for engaging in the wholesome actions and deeds which lead to happiness and joy.
Each child represents either a potential addition to the protective capacity and enlightened citizenship of the nation or, if allowed to suffer from neglect, a potential addition to the destructive forces of a community. . . . the interests of the nation are involved in the welfare of this array of children no less than in our great material affairs.
To live only to sufferonly to feel the injury of life repeated and enlargedit seemed to her she was too valuable, too capable, for that. Then she wondered if it were vain and stupid to think so well of herself. When had it even been a guarantee to be valuable? Wasn't all history full of the destruction of precious things? Wasn't it much more probable that if one were fine one would suffer?