The Principia Ethica

*The Principles of Ethical Theory* (The Principia Ethica) by G.E. Moore is a philosophical work that explores how we determine what is morally good. Moore argues that moral goodness is a simple, indefinable quality—something that cannot be broken down further—like "redness" or "sweetness." He questions whether moral terms can be understood through natural properties (like pleasure or happiness), suggesting instead that moral goodness is a separate, non-natural idea. The book emphasizes careful analysis of moral language and aims to establish a clear foundation for ethical discussions beyond subjective feelings or consequences.