Hobbes thought civilisation exists for one clear reason: people can't be trusted with total freedom. Writing during the English Civil War, he said order needs a strong state to keep everyone in line. His grim view of human nature still influences how we see authority, security, and the fragile deal that holds modern society together.

The world seems chaotic: noise without rhythm, movement without meaning. Pythagoras saw otherwise. He found pattern and proportion — everything as number: harmony hidden in motion, maths beneath music, patterns behind every note, shape and star.

The world once seemed senseless: storms, plagues, misfortune blamed on angry gods. Thales proposed a different idea — the universe governed by observable forces, not moods. He argued everything arose from water. It sounds odd now, but it was the first attempt to explain the world without Olympus — the birth of reason from a single question: “Shall we think about it?”