Antonie van Leeuwenhoek

I have often thought that if I had not been so inventive, I would not have discovered so many things.

I have often thought that if I had not been so ingenious, I would not have discovered so many things.

I have often thought that if I had not been so diligent in making my own microscopes, I would not have seen what I have seen.

I have made a discovery that will astonish the world, and that is, that there are living creatures in the blood of man.

I have often observed that the smaller the creature, the more perfect it is.

I have often thought that if I had not been so curious about the smallest things, I would not have discovered the greatest.

I have often thought that if I had not been so persistent in my observations, I would not have seen the wonders that I have seen.

I have often thought that if I had not been so careful in my experiments, I would not have arrived at the truth.

I have often thought that if I had not been so open to new ideas, I would not have made such remarkable discoveries.

I have often thought that if I had not been so dedicated to my work, I would not have achieved what I have achieved.

I have often thought that if I had not been so passionate about understanding the natural world, I would not have pursued my investigations with such vigor.

I have often thought that if I had not been so determined to overcome difficulties, I would not have succeeded in my endeavors.

I have often thought that if I had not been so resourceful in devising new methods, I would not have been able to observe what I have observed.

I have often thought that if I had not been so inventive in constructing my instruments, I would not have been able to see what I have seen.

I have often thought that if I had not been so ingenious in my approach, I would not have made such profound insights.

I have often thought that if I had not been so diligent in recording my findings, my discoveries might have been lost to posterity.

I have often thought that if I had not been so patient in waiting for the right conditions, I would not have witnessed the wonders of the microscopic world.

I have often thought that if I had not been so persistent in my inquiries, I would not have uncovered the secrets of nature.

I have often thought that if I had not been so observant of the smallest details, I would not have understood the larger picture.

I have often thought that if I had not been so careful in my interpretations, I would not have avoided error.