A key that opens many locks is a master key; a lock that is opened by many keys is a bad lock.

Except we’re talking about people and not keys and locks? A pencil sharpener that sharpens all kinds of pencils is a good pencil sharpener, A pencil that lets itself be sharpened by too many sharpeners has to be thrown away. See? We can make any fucking analogy about genitals if we want to.

Found at No Sugarcoating