“Is righteousness, then, something 'fickle and changeable'? No; but the periods of time over which it presides, do not all proceed alike; they are time. Men, however, whose life on earth is short, are unable to conceive with their own minds the reasoning processes of earlier generations and of other races whom they have not known for themselves, whereas in the generations they do know, they can easily see what is appropriate within one and the same body or day or house, to each lib or hour or part and person. They are scandalized by the past, and enslaved to the present”
Book:Confessions