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If you can once engage people's pride, love, pity, ambition on your side, you need not fear what their reason can do against you.

Lord Philip Dormer Stanhope Chesterfield, Philip Dormer Stanhope Earl of Chesterfield (1855). “The Works of Lord Chesterfield: Including His Letters to His Son, Etc : to which is Prefixed, an Original Life of the Author”, p.136
If you can once engage people's pride, love, pity, ambition on your side, you need not fear what their reason can do against you.