Simplify the following text for a Grade 12 native English-speaking person.
Original: In contrast , writer Adam Gopnik , in The New Yorker , notes that while Everett 's Oration was explicitly neoclassical , referring directly to Marathon and Pericles , `` Lincolnâ s rhetoric is , instead , deliberately Biblical .
Simplified: For example , Everett spoke directly about Marathon and Pericles . But he said that `` Lincolnâ s rhetoric is , instead , deliberately Biblical '' .