“Science makes people reach selflessly for truth and objectivity; it teaches people to accept reality, with wonder and admiration, not to mention the deep awe and joy that the natural order of things brings to the true scientist.”
Lise Meitner – Austrian-Swedish physicist who discovered nuclear fission of uranium.
“Be less curious about people and more curious about ideas.” 
Marie Curie, French scientist and the first woman to win the Nobel Prize in two different categories: physics and chemistry.
“Don’t be afraid of hard work. Nothing worthwhile comes easily. Don’t let others discourage you or tell you that you can’t do it. In my day I was told women didn’t go into chemistry. I saw no reason why we couldn’t.”
Gertrude B. Elion – American Nobel Prize-winning biochemist and pharmacologist who developed medications to treat leukemia, malaria, meningitis, herpes, and more.
“I don’t think that faith, whatever you’re being faithful about, really can be scientifically explained. And I don’t want to explain this whole life business through truth, science. There’s so much mystery. There’s so much awe.” 
Jane Goodall, English primatologist  and anthropologist
“If you know you are on the right track, if you have this inner knowledge, then nobody can turn you off…no matter what they say.” 
Barbara McClintock, cytogeneticist and winner of the 1983 Nobel Prize in Physiology or Medicine
“There is only one thing worse than coming home from the lab to a sink full of dirty dishes, and that is not going to the lab at all!”
Chien Shiung Wu, Chinese-American physicist who provided the first experimental proof that parity is not conserved in weak subatomic interactions of nuclear beta decay.
“Don’t let anyone rob you of your imagination, your creativity, or your curiosity.” 
Mae Jemison, physicist and astronaut