Possible Clues:

• "Whither thou __ ... "
• "Whither __ thou, America, in thy shiny car in the night?": Kerouac
• 'Whither __ thou, America, in thy shiny car in the night?': Kerouac
• 'Whither thou ___ ...'
• 'Whither thou — ...'
• 'Whither ___ thou?': John 16:5
• Travel, as thou might
• 'Whither ___ thou, America, in thy shiny car in the night?' ('On the Road' line)
• "Whither thou __ ...": Ruth
• ''Ride more than thou __'': ''King Lear''