Generally attributed to Albert Camus (1913-1960).
Misfortune shows those who are not really friends.Aristotle
True friendship is a plant of slow growth, and must undergo and withstand the shocks of adversity before it is entitled to the appellation.george washington
The friend who can be silent with us in a moment of despair or confusion, who can stay with us in an hour of grief and bereavement, who can tolerate not knowing... not healing, not curing... that is a friend who cares.henri nouwen
Keep your friends close, and your enemies on the guest list.Tyler Joseph
A friend is one who knows you and loves you just the same.elbert hubbard
There are friendships imprinted in our hearts that will never be diminished by time and distanceDodinsky