And from the whole she deduced this useful lesson, that to go previously engaged to a ball, does not necessarily increase either the dignity or enjoyment of a young lady.
You will fail many times but in failing you'll learn and in learning you'll find your way. Remember, there are no mistakes in life but only lessons, and lessons will keep on repeating until learned
The poets aim is either to profit or to please, or to blend in one the delightful and the useful. Whatever the lesson you would convey, be brief, that your hearers may catch quickly what is said and faithfully retain it. Every superfluous word is spilled from the too-full memory.