Reason unites us, not only with our contemporaries, but with men who lived two thousand years before us, and with those who will live after us.

Man has received direct from God only one instrument wherewith to know himself and to know his relation to the universe--he has no other--and that instrument is reason.

History, that is to say, the unconscious, universal life of humanity, in the aggregate, every moment profits by the life of kings for itself, as an instrument for the accomplishment of its own ends.

The highest wisdom has but one science-the science of the whole-the science explaining the whole creation and man's place in it.

It would, therefore, seem obvious that patriotism as a feeling is bad and harmful, and as a doctrine is stupid. For it is clear that if each people and each State considers itself the best of peoples and States, they all live in a gross and harmful delusion.

Perhaps it is even more important to know what one should not think about than what one should think about.

Even in the valley of the shadow of death, two and two do not make six.