Clever Quotes - Page 32
Andrew Clements (2008). “Things Hoped For”, p.77, Penguin
James Clavell, Sun Tzu (2013). “The Art of War”, p.31, Hachette UK
Robert Holden (2009). “Be Happy: Release the Power of Happiness in You”, p.242, Hay House, Inc
"Letters to a Young Poet". Book by Rainer Maria Rilke. Letter Three (April 23, 1903), 1929.