Once upon a time, there was a brilliant scientist named Dr. Alexander. He was a genius who had always been fascinated by the concept of time travel. After years of research and hard work, he finally invented a time machine. Dr. Alexander was ecstatic and couldn't wait to test out his invention.

He set the date to travel back to the year 1900, a time he had always been curious about. As he stepped into the time machine, he felt a rush of excitement and anticipation. However, as soon as he arrived in the past, he noticed something strange. The streets were empty, and the buildings were in ruins. Dr. Alexander was confused and worried. What had happened?

He quickly realized that his actions in the past had caused a ripple effect, changing the course of history. He had unknowingly prevented a crucial event from taking place, and now the present and future were in chaos. Dr. Alexander was faced with a dilemma - should he try to fix his mistake and risk making things worse, or should he leave things as they were and accept the consequences?

As he pondered over his options, Dr. Alexander realized the gravity of his invention. Time travel was not just a fun experiment, it had the power to alter the course of history. He knew he had to be careful and responsible with his actions. With a heavy heart, he decided to go back to the present and destroy the time machine.

From that day on, Dr. Alexander dedicated his life to studying the consequences of time travel and ensuring that his invention never fell into the wrong hands. He had learned a valuable lesson - with great power comes great responsibility. And he was determined to use his knowledge for the greater good.

The end.