
Persons of genius, it is true, are, and are always likely to be, a small minority ; but in order to have them, it is necessary to preserve the soil in which they grow. Genius can only breathe freely in an atmosphere of freedom.
On liberty - Página 116 http://books.google.com.br/books?id=AjpGAAAAcAAJ&pg=PA116, John Stuart Mill - John W. Parker and son, 1859 - 207 páginas
On Liberty