Please note: This is a companion version & not the original book. Sample Book Insights: #1 The meaning of life is a slippery subject. There are questions beyond scientific observation that are called metaphysics. The telos of human life is happiness, but it's not everybody's cup of tea. #2 The structure of reality is slippery. Some philosophers draw a distinction between essential and accidental properties. The way Aristotle put it is that essential properties are those without which a thing wouldn't be what it is, and accidental properties are those that determine how a thing is, but not what it is. #3 The meaning of life is slippery. The structure of reality is slippery. Some philosophers draw a distinction between essential and accidental properties. #4 The structure of reality is slippery. Some philosophers draw a distinction between essential and accidental properties. The meaning of life is slippery.