Quote by Marie Curie
"The price of progress is sacrifice, but the reward is knowledge."
More from Marie Curie
"Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less."
"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves."
"Be less curious about people and more curious about ideas."
"A scientific discovery is a private event, and that privacy is a fact about the nature of scientific discovery."