Rare as is true love, true ...

Rare as is true love, true friendship is rarer.
 Jean de La Fontaine

Quotes from the same author

Sadness flies away on the wings of time.
 Jean de La Fontaine
One should stick to the sort of thing for which one was made; I tried to be an herbalist, Whereas I should keep to the butchers trade.
 Jean de La Fontaine
One should oblige everyone to the extent of one's ability. One often needs someone smaller than oneself.
 Jean de La Fontaine
Man is so made that when anything fires his soul, impossibilities vanish.
 Jean de La Fontaine
Friendship is the shadow of the evening, which increases with the setting sun of life.
 Jean de La Fontaine