Claims of right and insistence upon obligations may depend upon treaty stipulations, or upon the rules of international law, or upon the sense of natural justice applied to the circumstances of a particular case, or upon disputed facts.

The worst, the hardest, the most disagreeable thing that you may have to do may be the thing that counts most, because it is the hard discipline, and it alone, that makes possible the highest efficiency.

I observe that there are two entirely different theories according to which individual men seek to get on in the world. One theory leads a man to pull down everybody around him in order to climb up on them to a higher place. The other leads a man to help everybody around him in order that he may go up with them.

The law of the survival of the fittest led inevitably to the survival and predominance of the men who were effective in war and who loved it because they were effective.

Nothing is more important in the preservation of peace than to secure among the great mass of the people living under constitutional government a just conception of the rights which their nation has against others and of the duties their nation owes to others.

Human life is held in much higher esteem, and the taking of it, whether in private quarrel or by judicial procedure, is looked upon much more seriously than it was formerly.

The framers of the Constitution realized that . . . there needed to be some guardian of the sober second thought, and so they created the Senate to fulfill that high and vitally important duty.