The two most misused words in the entire English vocabulary are love and friendship. A true friend would die for you, so when you start trying to count them on one hand, you don't need any fingers.

All lasting business is built on friendship.

Friendship is the shadow of the evening, which increases with the setting sun of life.

Friendship, like the immortality of the soul, is too good to be believed.

Perfect friendship is the friendship of men who are good, and alike in excellence for these wish well alike to each other qua good, and they are good in themselves.