In rain water, I observed a small red worm and two other kinds of very minute insects; of those of the larger size, I judged that 30,000 together would not equal a coarse sand.
ANTONIE VAN LEEUWENHOEK
For my part, I hold it equally impossible for a small shellfish to be produced without generation as for a whale to have its origin from the mud.
![Antonie van Leeuwenhoek Quote - The whole circumference of each of these streaks was about the thickness of a hair of one’s head. … all consisted of very small green globules joined together: and there were very many small green globules as well. [The earliest recorded observation of the common green alga Spyrogyra.]](https://minimalistquotes.com/wp-content/uploads/2022/09/the-whole-circumference-of-each-of-these-streaks-w-683x1024.jpg)
![Antonie van Leeuwenhoek Quote - The 4th sort of creatures… which moved through the 3 former sorts, were incredibly small, and so small in my eye that I judged, that if 100 of them lay [stretched out] one by another, they would not equal the length of a grain of course Sand; and according to this estimate.](https://minimalistquotes.com/wp-content/uploads/2022/09/the-4th-sort-of-creatures-which-moved-through-the--683x1024.jpg)
