Possible Clues:

• ' but known ...'
• "__ Not Seen the Sun": Dickinson poem
• "___ known then what . . ."
• "___ but known...."
• '___ known better...'
• "___ only known ..."
• '-- only known!'
• '-- but known ...'
• '___ Not Seen the Sun' (Dickinson poem)
• '___ known ...'