References in classic literature ?
All this very plausible reasoning does not convince me, as it has not convinced the wisest of our Statesmen, that our ancestors erred in laying it down as an axiom of policy that the toleration of Irregularity is incompatible with the safety of the State.
He then manages to convince her father by helping him making a PPT for his office; he helps her brother by giving him tuition and convinces him too.
The testing that we have done convinces us that we are well within or really below all public standards for emissions now.