Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at the same time as an end.
Forgiveness is the most effective way of dealing with arguments; altruism and forgiveness bring humanity together so that no conflict, however serious, will go beyond the bounds of what is truly human.
The sole meaning of life is to serve humanity by contributing to the establishment of the kingdom of God, which can only be done by the recognition and profession of the truth by every man.
There was something alike terrifying and piteous in the spectacle of these frail old morsels of humanity consecrating their last flickering energies to the task of making each other wretched. Hatred seemed to be the one faculty which had survived in undiminished vigor where all else was dropping into ordered and symmetrical decay.