Distingue tempora et concordabis jura - Distinguish times and you will harmonize laws.

Dura lex sed lex - The law may be harsh, but that is the law.

Ejusdem generis - Of the same kind or specie.

Exceptio firmat regulam in casibus non exceptis - A thing not being excepted must be regarded as coming within the purview of the general rule.

Ex dolo malo non oritur actio - No man can be allowed to found a  claim upon his own wrongdoing.

Expressio unius est exclusio alterius - The express mention of one person, thing or consequence implies the exclusion of all others.

Expressum facit cessare tacitum= What is expressed puts an end to that which is implied.

Ex necessitate legis - By necessary implication of law.

Casus omissus pro omisso habendus est - A person, object or thing omitted from an enumeration must be held to have been ommitted intentionally.

Cessante ratione legis, cessat et ipsa lex - When the reason of the law ceases, the law itself ceases.

Contemporanea expositio est optima et fortissima in lege - The contemporary construction is strongest in law.