all for one, and one for all

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all for one, and one for all

A phrase that emphasizes solidarity and support within a group; the group will support its members and its members will support the group. The phrase was popularized in the novel The Three Musketeers, by Alexandre Dumas. Come on, team—all for one, and one for all! No, we won't let you take the blame for this alone. All for one, and one for all, remember?
See also: all, and, one