• Sources of the self

    by Charles Taylor
    1989, Harvard University Press, Brand: Harvard University Press

  • For the Love of Physics

    by Walter Lewin
    May 2011, Free Press

  • Sources of the Self

    by Charles Taylor
    March 1, 1992, Harvard University Press

  • The portable Nietzsche

    by Friedrich Nietzsche
    1954

  • The collected works

    by Kahlil Gibran
    2007