Philo Judaeus De Sobrietate 6

Such then is the condition of the sober man; but when Moses speaks of Noah’s "younger son," he is not so much meaning to make a statement respecting his age, as to show the disposition with which those persons are endued who are inclined to innovation; since how could he have forced himself to see, what ought not to be seen, in defiance of all law and justice, or to divulge what ought to have been concealed in silence, or to bring to light what might have been kept in the shade at home, and to transgress all the boundaries which should confine the soul, if he had not been eager for change and innovation, laughing at what happens to others when he ought rather to lament over such accidents, and not to ridicule things which it was more natural and decent and proper to grieve for.