Quotation Inside Quotes & Sayings

I was the type who looked at discussions of What Is Truth only with a view toward correcting the manuscript. If you were to quote "I am that I am," for example, I thought that the fundamental problem was where to put the comma, inside the quotation marks or outside. — Umberto Eco

Is the murk which lives inside me,
actually a dead star? — Sameer Khan

He tolk both my hands in his, then, and kissed them - the left which still bore the gold ring of my marriage to Frank, and then the right, with his own silver ring..
"Da mi basia mille," he whispered, smiling. Give me a thousand kisses. It was the inscription inside my ring, a brief quotation from a love song by Catullus. I bent and gave him one back. "Dein mille altera, " I said. Then a thousand more. — Diana Gabaldon