In fact, it took him more than 1,000 attempts to make the first incandescent bulb but, along the way, he learned quite a deal.
As he himself said, "I did not fail a thousand times but instead succeeded in finding a thousand ways it would not work." Thus Edison demonstrated both in thought and action how instructive mistakes can be.
Before you even get to this thesis statement, for example, the essay should begin with a "hook" that grabs the reader’s attention and makes them want to read on.
Examples of effective hooks include relevant quotations ("no man is an island") or surprising statistics ("three out of four doctors report that…").
The introductory paragraph not only gives the reader an idea of what you will talk about but also shows them how you will talk about it.
Put a disproportionate amount of effort into this – more than the 20% a simple calculation would suggest – and you will be rewarded accordingly.
If yours is much longer you might want to consider editing it down a bit!
Here, by way of example, is an introductory paragraph to an essay in response to the following question: "Do we learn more from finding out that we have made mistakes or from our successful actions?
For proof of this, consider examples from both science and everyday experience.
Because this is the first paragraph of your essay it is your opportunity to give the reader the best first impression possible.