Write a story ending with the statement: Indeed, it was the biggest lesson of my life.

Format note: This is a narrative that must close with the exact given sentence. It needs a title, a clear plot with rising action, a climax and a resolution, and it must lead naturally to the final line.

A COSTLY SHORTCUT

Greed, they say, has a way of blinding even the wisest among us. I learnt this the hard way during the long holiday after my Junior Secondary examinations, in a manner I shall never forget.

It all began when a smartly dressed stranger came to our street one afternoon. He gathered a small crowd and announced that he ran a company that doubled people's money within a week. To prove his claim, he handed a woman who had given him two thousand naira a crisp four thousand naira on the spot. The crowd gasped with excitement, and greed lit up every face, mine included.

That night, I could not sleep. I had saved fifteen thousand naira over two years, money meant for my school needs. In my imagination, I already saw it doubled to thirty thousand. Ignoring the quiet warning in my heart, I resolved to hand it over the very next day.

The following morning, I hurried to the appointed spot with my savings tied carefully in a handkerchief. The stranger smiled warmly, collected my money, wrote my name in a big notebook, and told me to return in seven days for double the amount. I floated home on clouds of joy, counting the riches to come.

The seven days crawled by. When at last I rushed to the meeting place, my heart froze. The rented shop was empty, the signboard gone, and the neighbours told me the man had vanished with the savings of dozens of trusting people. My legs gave way beneath me. Two years of careful saving had disappeared in a single reckless moment.

I wept bitterly on my way home, not only for the lost money but for my own foolishness. My father, though angry, sat me down and explained gently that whatever seems too good to be true usually is, and that honest wealth is never gathered through shortcuts. His words sank deep into me.

Since that day, I have never allowed greed to override my reason. I learnt to earn patiently, to think before I act, and to distrust easy promises of sudden riches. Indeed, it was the biggest lesson of my life.