Unthinkingness

He permits him to lord it in many lands until the man in his unthinkingness forgets that it will ever end for him.

Source: wiktionary

She surveys the icebox, the vegetables so small and bright as she sets them to boil, pretending to go about it as her landlady would, with a matter-of-factness and familiarity, an unthinkingness in sprinkling spice, a quiet dignity around the gas-stained stove and always-wet toilet.

Source: wiktionary