Whether you are an astronomer or a life scientist, geophysicist, or a pilot, you've got to be there because you believe you are good in your field, and you can contribute, not because you are going to get a lot of fame or whatever when you get back.
-- Alan Shepard
   
Alan Shepard   Name:
Alan Shepard
Type:
Astronaut
Nationality:
American
Birth:
November 18, 1923
Death:
July 21, 1998
https://www.nutquote.com/quote/Alan_Shepard