“Suffering for love is how I have learned practically everything I know, love of grandmother up and on.”
Letter to Emily Holmes Coleman (2 February 1934) http://www.case.edu/artsci/engl/VSALM/mod/brandelmcdaniel/index/library.htm
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Djuna Barnes 39
American Modernist writer, poet and artist 1892–1982Related quotes

“Spirituality is not about knowing everything. It's about learning to LOVE everything.”

“Young people, who are beginners in everything, cannot yet know love: they have to learn it.”
Letter Seven (14 May 1904)
Letters to a Young Poet (1934)

“I love California. I practically grew up in Phoenix.”
Although Quayle's home town is in Arizona, it is only a two and a half hour drive from the California border.
Attributed

“Everything I know, I know because of love.”
Thoughts of Prince Andrew Bk XII, Ch. 16
Variant: All, everything that I understand, I understand only because I love.
Source: War and Peace (1865–1867; 1869)
Context: Love hinders death. Love is life. All, everything that I understand, I understand only because I love. Everything is, everything exists, only because I love. Everything is united by it alone. Love is God, and to die means that I, a particle of love, shall return to the general and eternal source.

Explanation of Stanza 28 part 8
Spiritual Canticle of The Soul and The Bridegroom, Notes to the Stanzas