He who is void of virtuous Attachments in private Life, is, or very soon will be void of all Regard for his Country. There is seldom an Instance of a Man guilty of betraying his Country, who had not before lost the Feeling of moral Obligations in his private Connections. Samuel Adams
We do not think clearly about our moral obligations to animals. Gary L. Francione
I believe that we have to content ourselves with our imperfect knowledge and understanding and treat values and moral obligations as a purely human problem-the most important of all human problems. Albert Einstein
It is not the function of a Court of justice to enforce or give effect to moral obligations which do not carry with them legal or equitable rights. Edward Macnaghten, Baron Macnaghten