[*"Life is not easy for any of us, but what of that? We must have perseverance and, above all, confidence in ourselves."*](http://www.quotes.net/quote/39596) [***Marie Curie »***](http://www.quotes.net/authors/Marie%20Curie) French chemist (born in Poland) who won two Nobel prizes; one (with her husband and Henri Becquerel) for research on radioactivity and another for her discovery of radium and polonium (1867-1934)