„Velkým lákadlem světského humanismu byl vždy darwinismus. Na Charlesi Darwinovi patrně více než na komkoli jiném, například Karlu Marxovi, ztroskotala víra mnoha křesťanů.“

Originál: (en) If we once get above our Bibles and cease making the written Word of God our sole rule both as to faith and practice, we shall soon lie open to all manner of delusion and be in great danger of making shipwreck of faith and a good conscience.
Zdroj: [Whitefield, George, 5, The Works of the Reverend George Whitefield, M.A., Late of Pembroke-College, Oxford, and Chaplain to the Rt. Hon. the Countess of Huntingdon: Containing All His Sermons and Tracts which Have Been Already Published ; with a Select Collection of Letters Written to His Most Intimate Friends, and Persons of Distinction, in England, Scotland, Ireland, and America, from the Year 1734, to 1770 ; Including the Whole Period of His Ministry ; Also, Some Other Pieces on Important Subjects, Never Before Printed, Prepared Himself for the Press, https://books.google.cz/books?id=Jr8OAAAAIAAJ&printsec=frontcover&hl=cs&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false, Edward and Charles Dilly, London, 1772, 474, 27, angličtina]

Zdroj: HALÍK, T.: Stromu zbývá naděje. Krize jako šance. Praha: Nakladatelství Lidové noviny, 2009. ISBN 978-80-7106-989-8, s.123

Originál: (en) Nothing gives greater advantage to atheism and infidelity than the carnality of those that make religion a servant to their sensual appetites and secular interests.
Zdroj: [Henry, Matthew, Commentary to the Whole Bible: Matthew, Chapter XXII., http://www.ccel.org/ccel/henry/mhc5.Matt.xxiii.html, 6.9.2006, 1.2.2015, Christian Classic Ethereal Library, angličtina]

Zdroj: [Bruin Hüblová, Magda de, Karel Čapek v Nizozemsku, iliteratura.cz, 2011-05-24, 2011-07-22, http://www.iliteratura.cz/Clanek/28381/karel-capek-v-nizozemsku]

Zdroj: Abeceda moudrosti. S. 379.