Why is there something?

Philosophy Updated November 2026

Physics tells us how one thing becomes another. Why there is anything at all is a question everyone, believer or not, still asks.

The case for wonder

A thousand years ago the Muslim philosopher Ibn Sina argued that everything we meet could have failed to exist, so its existence needs explaining, and the chain of explanation ends in something that exists by its own nature. Al-Ghazālī argued that the past cannot stretch back for ever, so the universe had a beginning. His argument, the kalām, is still debated by philosophers today.

The strongest case against

Critics say “everything that begins has a cause” comes from experience inside the universe and may not hold for the universe itself. The physicist Sean Carroll argues that causes may not belong at the foundations of physics at all. Bertrand Russell, in his 1948 BBC debate, said the universe may simply be.

Where it stands

When scientists say “nothing”, they usually mean empty space with laws in it. A philosopher asks: where did those come from? This is philosophy, not settled science, and serious people stand on both sides.