Complex sentence: Born and raised in Great Britain, Grice was educated first at Clifton College and then at Oxford University where he taught until 1967, when he moved to the United States, returning in 1979 to give the John Locke lectures on "Aspects of Reason".
Split into simpler sentences: Born and raised in the United Kingdom, Grice was educated first at Clifton College and then at Oxford University where he taught until 1967. He returned to the UK in 1979 to give the John Locke lectures on "Aspects of Reason".