02/19/1473. Astronomer. Scientist. Mathematician. To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge
Today I have published my greatest work "principia" considered as the most important works in the history of science, witch explains the gravitational attraction of the moon and earth.
@Johanne78639202 Whoops. I said they follow a circular path in my book “Six Books Concerning the Revolutions of the Heavenly Orbs” 😳 I guess you're right...