"There are cruel and unjust people, but they are not the majority."

"One never notices what has been done; one can only see what remains to be done."

"You cannot hope to build a better world without improving the individuals."

"I never had a moment of doubt that science was the right path for me."

"I have no dress, except the one I wear every day. If you are going to be kind enough to give me one, please let it be practical and dark so that I can put it on for laboratory work. And I am proud of …"