Heinrich Christian Wilhelm Busch (14 April 1832 – 9 January 1908) was a German humorist, poet, illustrator, and painter. He published wildly innovative illustrated tales that remain influential to this day. (wikipedia)
Youth should heed the older-wittedWhen they say, don't go too far --Now their sins are all committed,Lord, how virtuous they are!
Becoming a father isn't difficult, but it's very difficult to be a father.
Becoming a father is easy enough, but being one can be very rough.
In the meantime, on the sly,Something's going on up high.Max has shown some foresight here,For he brought his fishing gear.
Up high, the flies are playing,And frolicking, and swaying.The frog thinks: Dance! I knowYou'll end up here below.
Max and Moritz for their part found no attraction in it.