When the only bond between close friends is attachment, then even a minor issue may cause one's projections to change. As soon as our projections change, the attachment disappears, because that attachment was based solely on projection and expectation. It is possible to have compassion without attachment, and similarly, to have anger without hatred.
It is the acid test of nonviolence that in a nonviolent conflict there is no rancor left behind, and in the end the enemies are converted into friends.
We take care of our health; we lay up money; we make our roof tight, and our clothing sufficient; but who provides wisely that he shall not be wanting in the best property of all, -friends?
Writing a long and substantial book is like having a friend and companion at your side, to whom you can always turn for comfort and amusement, and whose society becomes more attractive as a new and widening field of interest is lighted in the mind.
There is a power in love to divine another's destiny better than that other can, and by heroic encouragements, hold him to his task. What has friendship so signal as its sublime attraction to whatever virtue is in us?