The ethical manifold, conceived of as unified, furnishes, or rather is, the ideal of the whole.

Ethical religion can be real only to those who are engaged in ceaseless efforts at moral improvement. By moving upward we acquire faith in an upward movement, without limit.

There is as yet no civilized society, but only a society in the process of becoming civilized. There is as yet no civilized nation, but only nations in the process of becoming civilized. From this standpoint, we can now speak of a collective task of humankind. The task of humanity is to build a genuine civilization.

We cannot adopt the way of living that was satisfactory a hundred years ago. The world in which we live has changed, and we must change with it.

Act so as to elicit the best in others and thereby in thyself.

For more than three thousand years men have quarreled concerning the formulas of their faith. The earth has been drenched with blood shed in this cause, the face of day darkened with the blackness of the crimes perpetrated in its name.

Love is the expansion of two natures in such fashion that each include the other, each is enriched by the other.