"A friend in need is a ghost indeed" - From "Hamlet - The Clown Prince" - Adaptation of the eponymous play by Shakespeare - Rajat Kapoor
"...after these long years don't ask me how have I been but instead ask me who have I been or what have I become..." - Bungled / Mungled lines from a play that I dont remember.
As one goes through their lives, dip stick at the 35s should answer the question - "See how much rubbish I have collected over the years"
Some paradoxes that puzzle me -
"Our brains helping us understand about how our brains work." Mighty self referential
On a similar vein -
"Language helping us understand the nature of language itself." We live in powerful, self reinforcing ideas.