To be nobody-but-yourself -- in a world which is doing its best, night and day, to make you everybody else -- means to fight the hardest battle which any human being can fight; and never stop fighting.
Source: From a collection of quotations found on the Internet.
-- Marie Curie, (Nov 7 1867-1934), Polish-French chemist; She was renown for her work on radioactivity and discovering polonium and radium; two time winner of the Nobel Prize.