“The sound of the human voice is the best of nature but only if it comes out from the feelings.”
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Il suono della voce umana e´il piu bello presente in natura ma solamente se connesso con le emozioni.
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Giovanni Morassutti 25
Italian actor, theatre director and cultural entrepreneur. 1980Related quotes

Ch. 1. http://books.google.com/books?id=AEk0AAAAIAAJ&q=%22The+more+people+have+studied+different+methods+of+bringing+up+children+the+more+they+have+come+to+the+conclusion+that+what+good+mothers+and+fathers+instinctively+feel+like+doing+for+their+babies+is+usually+best+after+all%22&pg=PA4#v=onepage
Dr. Spock's Baby and Child Care (1945)

As quoted by Tanner, Bower, McLeish, and Gaspar in Ch. 1. "Unity and Symmetry in the De Luce of Robert Grosseteste," Robert Grosseteste and the pursuit of Religious and Scientific Learning in the Middle Ages (2016) ed., Jack P. Cunningham, Mark Hocknull, p. 17.
De artibus liberalibus (c. 1222-1237)

Poetry and the World, Ecco Press,1988
p. 57: Ch. 3 http://books.google.com/books?lr=&id=edhCAAAAIAAJ&q=%22The+three+great+elemental+sounds+in+nature+are+the+sound+of+rain+the+sound+of+wind+in+a+primeval+wood+and+the+sound+of+outer+ocean+on+a+beach%22&pg=PA57#v=onepage
The Outermost House, 1928

Independence Day address (1821)
Context: And now, friends and countrymen, if the wise and learned philosophers of the elder world, the first observers of nutation and aberration, the discoverers of maddening ether and invisible planets, the inventors of Congreve rockets and shrapnel shells, should find their hearts disposed to enquire what has America done for the benefit of mankind? Let our answer be this: America, with the same voice which spoke herself into existence as a nation, proclaimed to mankind the inextinguishable rights of human nature, and the only lawful foundations of government.

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book V, Chapter V, Sec. 3