Calvin and Hobbes by Bill Watterson for July 28, 1992
Transcript:
Calvin: I have a question, dad. Dad: Sure. Calvin: Which exactly are the halcyon days of my youth? Is Saturday one? Dad: I believe they're awarded retroactively when you're grown up. Calvin: You can't identify them until then? Dad: halcyonity is relative. Calvin: I'll go ask mom.
It’s all Greek to me.