vis consilii expers mole ruit sua

Latin quotation from Horace

vis con·​si·​lii ex·​pers mo·​le ru·​it sua ˈwēs-kōn-ˈsē-lē-ˌē-ˈek-spers-ˈmō-le-ˈru̇-it-ˌsu̇-ä 

: force without wisdom collapses from its own mass