We never can tell how our lives may work to the account of the general good, and we are not wise enough to know if we have fulfilled our mission or not.
-- Ellen Henrietta Swallow Richards
   
Ellen Henrietta Swallow Richards   Name:
Ellen Henrietta Swallow Richards
Type:
none
Nationality:
none
https://www.nutquote.com/quote/Ellen_Henrietta_Swallow_Richards