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.
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.
Human knowledge and skills alone cannot lead humanity to a happy and dignified life. Humanity has every reason to place the proclaimers of high moral standards and values above the discoverers of objective truth.
Aus so krummen Holze, als woraus der Mensch gemacht ist, kann nichts ganz Gerades gezimmert werden. Out of the crooked timber of humanity, no straight thing can ever be made.
I have learned that human existence is essentially tragic. It is only the love of God, disclosed and enacted in Christ, that redeems the human tragedy and makes it tolerable. No, more than tolerable. Wonderful.
But we have reason to cool our raging motions, our carnal stings, our unbitted lusts; whereof I take this that you call love to bea sect or scion.... It is merely a lust of the blood and a permission of the will.