Can you guarantee that nothing, not even another application, will ever write to the database? If so, you don't need transactions. But if there's even the slightest chance that something or somebody will write to the database while your application is running, you need transactions when you read something.
The mind is a strange and wonderful thing. I'm not sure that it will ever be able to figure itself out, everything else, maybe. From the atom to the universe, everything, except itself.