"One who looks for a friend without faults will have none." ~ Anon.
"Your friend is the man who knows all about you, and still likes you"~ Anon.
"A real friend is one who walks in when the rest of the world walks out." ~ Anon.
"Friends show their love in times of trouble..." ~ Euripides (408 B.C.)
"My friend is he who will tell me my faults in private." ~ Solomon Ibn Gabirol
"However rare true love may be, it is less so than true friendship." ~ La Rochefoucauld (1665)
"A true friend is someone who is there for you when he'd rather be anywhere else." ~ Len Wein
"Do not protect yourself by a fence, but rather by your friends." ~ Czech. Proverb