Aron Ra on The Kalam cosmological argument

Aron Ra engages the Kalam cosmological argument by targeting its premises with empirical and conceptual objections. On the first premise — everything that begins to exist has a cause — he notes that quantum mechanics has demonstrated uncaused events at the subatomic level. Virtual particles pop into existence from the quantum vacuum without causes. If uncaused beginnings are possible in physics, the first premise is not a necessary truth.

On the second premise — the universe began to exist — Ra argues that the Big Bang does not describe the creation of the universe from nothing. It describes the expansion of the universe from an extremely dense, hot state. Whether there was a state 'before' the Big Bang, or whether the question even makes sense given that time itself began with the expansion, is an open scientific question that Craig's argument papers over.

Ra is also critical of the jump from 'the universe has a cause' to 'that cause is God.' Even granting both premises, the conclusion establishes only that something caused the universe — not that the cause was personal, conscious, loving, or identifiable with the God of any particular religion. Craig's additional arguments for a personal cause rely on philosophical intuitions that Ra finds unpersuasive.