No doubt we hold a man responsible for unintended bad consequences of his acts or omissions, when they are such as he might with ordinary care have foreseen; still, as I have before said (p. 60), we admit on reflection that moral blame only attaches to such careless acts or omissions indirectly, in so far as the carelessness is the result of some previous wilful neglect of duty.

ME Book 3 Chapter 1 Section 2