... a being than which no greater can be conceived. St. Anselm reasoned that, if such a being fails to exist, then a greater being - namely, a being than which no greater can be conceived, and which exists - can be conceived. But this would be absurd: nothing can be greater than a being than which no greater can be conceived. So a being than which no greater can be conceived - i.e., God - exists. The single most important argument in my opinion is the one that appears in his Proslogion 2. The argument go as follows.1) It is possible to say that God is a being than which none greater can be imagined (ie, the greatest possible being that can be imagined) meaning that 2) God exists as an idea in the mind. 3) A being that exists as an idea in the mind and in reality is ...

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