"Nothing in life is to be feared, it is only to be understood."
"I am among those who think that science has great beauty."
"One never notices what has been done; one can only see what remains to be done."
"We must believe that we are gifted for something, and that this thing, at whatever cost, must be attained."
"You cannot hope to build a better world without improving the individuals."
"In science, we must be interested in things, not in persons."
"Be less curious about people and more curious about ideas."