Possible Clues:

• ''Where ignorance . . . . . . . , 'tis folly to be wise
• ''Where ignorance .. ..... 'tis folly to be wise''
• ` `Where ignorance .. ....., 'tis folly to be wise' '
• Where ignorance .. ....., ''tis folly to be wise
• 'Where ignorance .. ....., 'tis folly to be wise'