More on Care killed the Cat from Infoplease:

• Care killed the Cat - Care killed the Cat It is said that “a cat has nine lives,” yet care would wear them ...
• William Shakespeare: Much Ado about Nothing, Act V - If you go on thus, you will kill yourself: And 'tis not wisdom thus to second grief Against yourself.
• Cat Proverbs - Cat Proverbs A cat has nine lives. A cat is more tenacious of life than other animals, because it ...
• Dictionary of Phrase and Fable: C - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "C"