“Why not? Why not? Why not not, then, if the best reasoning you can contrive is why not?”

“Instead of creating a reason why you cannot love the world, try to create a reason why you should and must love the world.”

“Why can't reason give greater answers? Why can we throw a question further than we can pull in an answer? Why such a vast net if there's so little fish to catch?”

“The fundamental reason why Medicare is failing is why the Soviet Union failed; socialism doesn't work.”

“There is a reason why all things are as they are.”

“In my opinion, it helps enormously to know why something is true, rather than being told it is true, for why should you believe me? Never believe anything on the authority of a single person but seek confirmation — and reason is the best confirmation.”

“Metaphysical principles are tempting shortcuts but not reliable guides. There are good reasons why things often seem to happen for reasons—and also reasons why that’s not a bedrock principle.”

“Yesterday's weirdness is tomorrow's reason why.”

“When we love there is no reason why.”

“Why is this thus? What is the reason of this thusness?”