Schopenhauer tweets Chief Theresa Spence and Idle No More

For if we are silent, who will speak?

 ~  Schopenhauer, Grundprobleme, Introduction to the first edition, 1840

Source: Karl Popper, The Open Society and Its Enemies, preface by Václav Havel (New York: Routledge Classics, 2011), pp. 289; 679, 680.