Human acts – acts done with knowledge and consent. Virtues – habits that incline us to do what is acceptable. Vices – habits that incline us to do what is unacceptable. Value system – the complex scheme of moral values by which one chooses to live. Relation of Ethics with other sciences 1. Ethics and Logic – the science of the right thinking. Ethics – the science of right living Both ethics and logic aim at rectitude the former aims at right doing the latter, at right thinking. 2. Ethics and Psychology - Both deal with the study of man, human nature, and human behavior. Psychology - studies how man behaves not interested with morality of human behavior. Ethics - studies how man ought to behave, it concerned with moral obligation. 3. Ethics and Sociology - Ethics deals with the moral order which includes the social order. Whatever does violence to the social order does violence also to the natural and the moral order. 4. Ethics and Economics- deals with such topics as wages, labor, production and distribution of wealth. But what will determine the relations between employer and employee for instance This and all other relations in business must be based on justice and charity which, after all are moral principles. 5. Morality and Law – morality and law are intimately related. Right and wrong, good and bad inhuman actions presuppose a law or rule of conduct. Legal - covers the external acts of man Moral - governs even the internal acts of man, such as the volitional and the intentional activities of the will and mind, i.e. man’s thoughts and desires. 6. Ethics and Art – ethics stands for moral goodness art, for beauty. But as transcendental the beautiful and the good are one. Evil always implies ugliness or defects and the good is always beautiful since it is the very object of desire and therefore, like beauty, pleases when perceived.