He that is not open to conviction is not qualified for discussion.
Manners are one of the greatest engines of influence ever given to man.
As one may bring himself to believe almost anything he is inclined to believe, it makes all the difference whether we begin or end with the inquiry, 'What is truth?'
The first requisite of style, not only in rhetoric, but in all compositions, is perspicuity.
To teach one who has no curiosity to learn, is to sow a field without ploughing it.
Neither human applause nor human censure is to be taken as the best of truth; but either should set us upon testing ourselves.