“There is no parting of ways for those who hold sincere feelings in their hearts. Either as friends or as lovers.”
Related quotes

“I do not question the sincerity or the good intentions of those who feel that way.”
10 January 1940, Speech at Orient Club, Bombay, also quoted in Speeches and Statements of the Marquess of Linlithgow, p. 229.

On Martin Luther King, Jr.
America The Beautiful (2010)

“A true friend is the one who holds your hand and touches your heart”
Variant: Friend is the person that holds your hand and touches your heart!

Source: The Works of Mr. Alexander Pope (1717), Elegy to the Memory of an Unfortunate Lady, Line 6.

Source: A Heap o' Livin' (1916), A Song, opening lines, p. 34.

As quoted in "Leading Atheist: Pope Francis “Is The Kind Of World Leader We Need”" http://www.esquire.com/blogs/politics/pope-smiles-on-godless by Joe Keohane, at Esquire (12 September 2013)]
2010s, 2013
Context: You ask me if the God of the Christians forgives those who don’t believe and who don’t seek the faith. I start by saying — and this is the fundamental thing — that God’s mercy has no limits if you go to him with a sincere and contrite heart. The issue for those who do not believe in God is to obey their conscience.
Source: The Lonely Dead (2004), Ch. 4

“Few are those who see with their own eyes and feel with their own hearts.”
Variant: Small is the number of them that see with their own eyes and feel with their own hearts
Source: "Einstein's Reply to Criticisms" (1949), The World As I See It (1949), p. 66 of the edition at http://books.google.com/books?id=aNKOo94tO6cC&lpg=PP1&pg=PA66#v=onepage&q&f=false

Bk. 1, Ch. 8 (p. 7)
Translations, The Confucian Analects