“You just have to dare to succeed.”
Source: All the King's Men' A search for the colonial ideas of some advisers and "accomplices" of Leopold II (1853-1892). (Hannes Vanhauwaert), Preface:A historiographical picture of Leopold II (1835-1909) http://www.ethesis.net/leopold_II/leopold_II.htm#2.%20 Parliamentary Annals of Belgium. Legislative session of 1855-1856. Senate. Brussel, n.d., 67.
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Leopold II of Belgium 34
King of the Belgians 1835–1909Related quotes
Excerpt from The Murder of Fred Hampton https://www.youtube.com/watch?v=_7F8RfnDhkA (1971).

Faithfully Remain.
Song lyrics, White Lies for Dark Times (2009)

“Give what you have. To someone, it may be better than you dare to think.”
Source: Kavanagh: A Tale (1849), Chapter 30.

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A Manifesto for a Skeptical Africa (2012)
Context: Most Africans cannot think freely or express their doubts openly because these religions have placed a huge price on freethinking and critical inquiry. Because these belief systems rely on paranormal claims themselves, Africans feel they cannot speak out against superstition as a whole, or they will be ostracized or even killed by religious zealots. Belief in demonic possession, faith healing, and the “restorative” power of holy water can have deadly consequences for believers and whole communities. Africans must reject superstitious indoctrination and dogmatization in public institutions. Africans need to adopt this cultural motto: Dare to think. Dare to doubt. Dare to question everything in spite of what the superstitious around you teach and preach. Africans must begin to think freely in order to ‘emancipate themselves from mental slavery’ and generate ideas that can ignite the flame of an African enlightenment.

“Only those who have dared to let go can dare to reenter.”
Quoted in Geary's Guide to the World's Great Aphorists (2007) by James Geary, p. 232