“I'm not strange, weird, off, nor crazy, my reality is just different from yours.” — The Cheshire Cat · Popularly attributed to the Cheshire Cat, not in Carroll's original text
“How do you know I'm mad? said Alice. You must be, said the Cat, or you wouldn't have come here.” — The Cheshire Cat · Alice's Adventures in Wonderland, 1865
“If you don't know where you are going, any road will get you there.” — The Cheshire Cat · Alice's Adventures in Wonderland, 1865 (paraphrased from the exchange)