The law obliges nobody to shew what he is presumed not to know.
Lex nemini operatur iniquum,—nemini facit injuriam.
The law works wrong to none—does injustice to none.
Lex nil facit frustra.
The law does nothing in vain.
Lex non cogit ad impossibilia.
The law does not compel to perform what is impossible.
Lex non consilia nuda sed actus apertus respicit.
The law does not regard mere intentions, but overt acts.
Lex non patitur fractiones et divisiones statuum.