"It can be intermittent or express itself as vague disquiet.
He wants to see the same faces, to read the same books, to do the same things day after day, month after month, while he is writing, so that nothing may break the illusion in which he is living--so that nothing may disturb or disquiet the mysterious nosings about, feelings round, darts, dashes, and sudden discoveries of that very shy and illusive spirit, the imagination.
It was now dark, and as the prince could see nothing, he was obliged, not without some feeling of disquiet, to allow the horse to direct his own course, and midnight was already passed before Prince Firouz Schah again touched the ground, faint and weary from his long ride, and from the fact that he had eaten nothing since early morning.