Mater semper certa est

The mother is always certain

Notes

a Roman-law principle which has the power of praesumptio iuris et de iure, meaning that no counter-evidence can be made against this principle (literally: Presumed there is no counter evidence and by the law). Its meaning is that the mother of the child is always known.

Words

semper – always, ever, forever
mater – mother
certo – dispute, fight, settle, to contend, to settle by combat, to struggle