Sigma Alpha's motto is 'Women Excelling in Agriculture'.
Kappa Sigma Sigma's motto is 'A kappa sig nunquam mendums'.
The motto of Phi Sigma Phi is 'Do unto others as you would'.
Sigma Delta Lambda's motto is 'Together we rise through education, loyalty and pride.'.
Sigma Theta Tau's motto is 'Improving world health through knowledge'.
The motto of Sigma Xi is 'Companions in Zealous Research.'.
Epsilon Sigma Rho's motto is 'T.D.D.U.P'.
The motto of Sigma Mu Delta is 'Prevailing Together'.
Sigma Mu Delta's motto is 'Praevaleti Uniter'.
Phi Sigma Epsilon's motto is 'Golden Rule'.
The motto of Sigma Phi Omega is 'The Reward is in the Doing'.
The motto of Sigma Alpha Epsilon is 'Phi Alpha'.
The motto of Sigma Psi is 'A legacy of strong, independent women'.