# lucretius - a [[philosopher poet]] - https://en.wikipedia.org/wiki/Lucretius - [[epicurean]] - [[wrote]] [[de rerum natura]] - [[quote]] Lucretius's scientific poem [[On the Nature of Things]] (c. 60 BC) has a remarkable description of [[Brownian motion]] of dust particles in verses 113–140 from Book II. He uses this as a proof of the existence of [[atoms]].