“A kiss is a contact, a union, an exchange. It is unknown to certain races and tribes, while others know it and consider it with disgust. They all suffer a loss. A kiss can be a cold formula, or a token of familial relationship or a prelude to the act of love. It can also be a revelation in an unspoken, secret language of feelings that have never been expressed in words.”
Source: Plague from Space (1965), Chapter 9 (pp. 81-82)
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Harry Harrison 30
American science fiction author 1925–2012Related quotes

http://www.people.com/people/archive/article/0,,20097815,00.html

“The soul that can speak through the eyes can also kiss with a gaze.”

Found anonymously in newspaper columns from the early 1920s http://quoteinvestigator.com/2015/12/31/kiss. Originally presented in dialogue format https://www.newspapers.com/clip/5219841/safety_first/: "Dorcas—”Do you ever allow a man to kiss you when you’re out motoring with him? Philippa—"Never, if a man can drive safely while kissing me he’s not giving the kiss the attention it deserves."
It does not seem to have been attributed to Einstein until the 1990s (e.g. here https://groups.google.com/forum/message/raw?msg=alt.freemasonry/YILn0A-U_WM/f1Grm2akU-4J).
Misattributed

Tarkan finds his moves take him across borders, CNN Worldbeat, August 9, 1999 http://www.cnn.com/SHOWBIZ/Music/9908/09/tarkan.wb/index.html,
About his hit single Şımarık

“The frost stings sweetly with a burning kiss
As intimate as love, as cold as death.”
"The Sisters," lines 13-14
Adamastor (1930)