“friendship and love blind every man to their interests.”

“There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.”

“Love is blind; but it makes you see the blind man; teetering on the roadside…”

“The Truth must dazzle gradually or every man be blind.”

“Nobody loves the light like the blind man.”

“Son, you're probably too young to look for wisdom in anyone's words but your own, but I'll tell you this: love is the enemy… Yes. The poets continually and sometimes willfully mistake love. Love is the old slaughterer. Love is not blind. Love is a cannibal with extremely acute vision. Love is insectile; it is always hungry.
When asked what love eats:
Friendship. It eats friendship.”

“Love, then, hath every bliss in store;
'Tis friendship, and 'tis something more.
Each other every wish they give;
Not to know love is not to live.”

“Justice discards party, friendship, kindred, and is therefore always represented as blind.”

“A blind man can see how much I love you”

“Friendship often ends in love; but love in friendship—never.”