“For as children tremble and fear everything in the blind darkness, so we in the light sometimes fear what is no more to be feared than the things that children in the dark hold in terror and imagine will come true. This terror, therefore, and darkness of mind must be dispelled not by the rays of the sun and glittering shafts of daylight, but by the aspect and law of nature.”
Book II, lines 55–61 (tr. Rouse)
De Rerum Natura (On the Nature of Things)
Original
Nam veluti pueri trepidant atque omnia caecis in tenebris metuunt, sic nos in luce timemus interdum, nilo quae sunt metuenda magis quam quae pueri in tenebris pavitant finguntque futura. hunc igitur terrorem animi tenebrasque necessest non radii solis neque lucida tela diei discutiant sed naturae species ratioque.
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Lucretius 45
Roman poet and philosopher -94–-55 BCRelated quotes

Source: Paul Faber, Surgeon (1879), Ch. 31 : A Conscience

Source: The Gifts of Imperfection: Let Go of Who You Think You're Supposed to Be and Embrace Who You Are
“Fear can only grow in darkness. Once you face fear with light, you win.”
Source: Life, the Truth, and Being Free (2010), p. 90

“Around us fear, descending
Darkness of fear above”
On The Beach At Fontana, p. 14
Pomes Penyeach (1927)

The Children's Hour http://www.americanpoems.com/poets/longfellow/19249, St. 1 (1860).