Less mutable, more flexible. Data in, data out. Composition, the king of abstraction. Immutability breeds stability. Transform, don't mutate. Functions as first-class citizens. Pure intentions, no side effects. Concurrency, a performant dance. Small pieces, big picture. Simplicity disguises complexity. Statelessness breeds clarity. Reusability, a programmer's delight. Patterns woven in lambdas. Logic, the root of computation. Staying declarative, avoiding imperative. Elegant structure, predictable behavior.