naturam expellas furca, tamen usque recurret
Latin quotation from Horace
na·tu·ram ex·pel·las fur·ca, ta·men us·que re·cur·ret nä-ˈtü-ˌräm-ek-ˌspe-läs-ˈfu̇r-ˌkä ˌtä-men-ˈu̇s-kwe-re-ˈku̇r-et 
: you may drive nature out with a pitchfork, but she will keep coming back