Friendship was given by nature to be an assistant to virtue, not a companion to vice.

—Marcus Tullius Cicero, c. 45 BC

A friend who is very near and dear may in time become as useless as a relative.

—George Ade, 1902

The path of social advancement is, and must be, strewn with broken friendships.

—H.G. Wells, 1905

Friendship itself will not stand the strain of very much good advice for very long.

—Robert Wilson Lynd, 1924

One’s friends are that part of the human race with which one can be human.

—George Santayana, c. 1914

Think where man’s glory most begins and ends, / And say my glory was I had such friends.

—W.B. Yeats, 1937

Friendship’s a noble name, ’tis love refined.

—Susanna Centlivre, 1703

One’s friends are divided into two classes, those one knows because one must and those one knows because one mustn’t.

—Sybil Taylor, 1922

A broken friendship may be soldered but will never be sound.

—Thomas Fuller, 1732

In life our absent friend is far away: / But death may bring our friend exceeding near.

—Christina Rossetti, 1881

Friends are fictions founded on some single momentary experience.

—Ralph Waldo Emerson, 1864

I count myself in nothing else so happy / As in a soul remembering my good friends.

—William Shakespeare, c. 1595

Friendship! Sir, there can be no such thing without an equality.

—George Farquhar, 1702