Public-domain · open source

Lex prospicit, non respicit

Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)

Ballentine's Law Dictionary

James A. Ballentine · 1916

The law looks forward, not backward.

Black's Law Dictionary

Henry Campbell Black, M.A. · 1910

Jenk. Cont. 284. The law looks forward, not backward.