Philosophy
The Ontological Argument for God's Existence
Quick fact
The argument was first formulated by Anselm of Canterbury in 1078 and has fascinated philosophers ever since, including Descartes, Spinoza, and even modern logicians like Kurt Gödel.
Why this is interesting
Can you prove that something exists just by thinking about it? The ontological argument claims that for one particular being—God—the very idea of Him is enough to guarantee His reality.