Complex sentence: Inductive inference is reasoning from the observed behaviour of objects to their behaviour when unobserved; as Hume says, it is a question of how things behave when they go "beyond the present testimony of the senses, and the records of our memory".
Split into simpler sentences: Inductive inference is reasoning from the observed behaviour of objects to their behaviour when unobserved. As Hume says, it is a question of how things behave when they go "beyond the present testimony of the senses, and the records of our memory".