Silence is the sound of silence, is a silent v. aspirations, is about to speak, but saying nothing, is a tacit understanding, is the soul of the spark, is the heart.

沉默是此时无声胜有声，是无言诉心声，是欲言又止，是心灵的默契，是心灵的火花，是心灵的港湾。

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One was silence. The other was the recorded sound of a coral reef.

VOA: special.2010.08.10

Here are Simon and Garfunkel with "The Sound of Silence."

VOA: special.2009.10.19

The Sound of Silence, written after the assassination of President Kennedy in 1963, initially flopped, only becoming a hit after it was re-edited.

BBC: Pink Floyd album to be preserved by US Library

Paul Simon performed his classic track The Sound of Silence at the funeral of a teacher who died in the school shooting in Connecticut on 14 December.

BBC: Paul Simon plays at teacher's funeral

Their song "The Sound of Silence" from the aftermath of President Kennedy's assassination 50 years ago this year had initially flopped but it became a hit after it was re-edited as a single.

WSJ: Sounds of Simon, Garfunkel chosen for preservation