Crossword puzzle clue "he said books think for me"

It's said that he said, "I never said most of the things I said"

He said, "Books think for me."

Governor who said "I don't think there's anybody in America who would necessarily think my personality is best suited to being number two"

He said "I never think I have finished a nude until I think I could pinch it"

"I think I can, I think I can" speaker

"Think" or "Think different"

Comic who said "If you want to read about love and marriage, you've got to buy two separate books"

Roman orator who said "A room without books is like a body without a soul"