And in like manner we shall give the same account of the cause of the things which we do right; and we shall no longer allege as causes of any evil to us, either slave or neighbour, or wife or children, being persuaded that, if we do not think things to he what we do think them to be, we do not the acts which follow from such opinions; and as to thinking or not thinking, that is in our power and not in externals.

