He removes the greatest ornament of friendship who takes away from it respect.

—Cicero

Friendship is no respecter of sex; and perhaps it is more rare between the sexes, than between two of the same sex.

—Henry D. Thoreau

The loss of a friend is like that of a limb; time may heal the anguish of the wound, but the loss cannot be repaired.

—Southey

As in the fire the yellow gold is tried,
So friendship’s faith can but be proved in time
Of dark adversity.
—Ovid

I always avoid contention, but if it shall happen, I had rather lose my money than my friend.

—Erasmus

There are three faithful friends—an old wife, an old dog and ready money.