I'd say we don't have anything quite that succinct and catchy. We do have a fraternity purpose and also a mission statement. From www.kappaalphatheta.org
The intellectual ambition of the Fraternity shall be the attainment of highest scholarship. The social aim of the Fraternity shall be to exercise the widest influence for good. The moral aim of the Fraternity shall be the standard of love.
Yesterday, today, and tomorrow, Kappa Alpha Theta exists to nurture each member throughout her college and alumnae experience and to offer a lifelong opportunity for social, intellectual and moral growth as she meets the higher and broader demands of mature life.