Complex sentence: Toei was telling him to hurry up, follow the budget, make it more entertaining and cited reading a collection of essays by poet Sumita Oyama called "Human Adoration" as the only thing that kept him sane.
Split into simpler sentences: Toei was telling him to hurry up, follow the budget, and make it more entertaining. He cited reading a collection of essays by poet Sumita Oyama called "Human Adoration" as the only thing that kept him sane.