Slavery in Classical Greece and Rome
Slavery in Classical Greece and Rome

... is essential to educate any slaves we have bought if we intend to give them that kind of work which is appropriate to free persons [i.e. supervisory functions]. 
 
 (2) In our dealings with slaves, we should not let them be insolent towards us nor allow them free rein. Those whose position is nearer ...
Slavery in Classical Greece and Rome
Slavery in Classical Greece and Rome

Slavery at common law

Slavery at common law in former colonies of the British Empire developed slowly over centuries, and was characterised by inconsistent decisions and varying rationales for the treatment of slavery, the slave trade, and the rights of slaves and slave owners. Within Britain, until 1807, except for statutes facilitating and taxing the international slave trade, there was virtually no legislative intervention in relation to slaves as property, and accordingly the common law had something of a ""free hand"" to develop, untrammeled by the ""paralysing hand of the Parliamentary draftsmen"".Some groups assert slavery was not recognised as lawful, often on the basis of pronouncements such as those attributed to Lord Mansfield, that ""the air of England is too pure for any slave to breathe."" However the true legal position has been both nuanced and complex through the relevant time period.