Pliable human nature is relentlessly pressed upon by its physical environment.

We have learned to say that the good must be extended to all of society before it can be held secure by any one person or any one class. But we have not yet learned to add to that statement, that unless all [people] and all classes contribute to a good, we cannot even be sure that it is worth having.

The mass of men seldom move together without an emotional incentive.

I believe that peace is not merely an absence of war but the nurture of human life, and that in time this nurture would do away with war as a natural process.

If the meanest man in the republic is deprived of his rights,then every man in the republic is deprived of his rights.

Intellectual life requires for its expansion and manifestation the influences and assimilation of the interests and affections of others.

Social advance depends as much upon the process through which it is secured as upon the result itself.