There are two classes [of scientists], those who want to know, and do not care whether others think they know or not, and those who do not much care about knowing, but care very greatly about being reputed as knowing.
![There are two classes [of scientists], those who want to know, and Image](https://www.idlehearts.com/images/there-are-two-classes-of-scientists-those-who-want-to-know-and.jpg?x85372 "There are two classes [of scientists], those who want to know, and")
There are two classes [of scientists], those who want to know, and
