Famous team spirit mottos include "United we stand, divided we fall" by Aesop and "None of us is as smart as all of us" by Kenneth Blanchard. Many team-building mottos are quotes by personalities and authors, such as "teamwork makes the dream work" by John C. Maxwell.
Goodreads.com and BrainyQuote.com have categories of quotes dedicated to teamwork and team spirit. Notable figures cited include Helen Keller, who famously wrote that "Alone we can do so little; together we can do so much," and Michael Jordan who said "Talent wins games, but teamwork and intelligence wins championships."
Short, pithy statements are also sometimes suitable as motivational mottos, such as "One team, one mission," "One team, one dream," or "Together Everyone Achieves More: TEAM."