Possible Clues:

• State one's in before one knows it
• What you might get from Thomas? Doubt that's a pinch of salt!
• A pinch of salt - is that what Thomas is famous for?
• I doubt belief system can be said to be healthy
• Doubt lovelorn patient eating porcino is married
• Doubtfulness
• A certain reluctance to give credit
• Doubt whether philosopher is Frenchman
• Doubt pressure is two hundred times out
• Mistrustful doubt