The contemporary science has become more and more parameterized and focused on points. In this situation it is more and more difficult to maintain “the purity” of the idea of science and its main goal – discovering the world, in selfless duty. That’s the reason why I have presented the example of a scientist, who was uncompromisingly, and with a real passion, devoted to science. I have choosen Maria Skłodowska-Curie: we celebrate the 150th anniversary of her birth in 2017.