First, Have A Definite, Clear Practical Ideal;

We Ought, So Far As It Lies Within Our Power, To Aspire To Immortality, And Do All That We Can To Live In Conformity With The Highest That Is Within Us; For Even If It Is Small In Quantity, In Power And Preciousness, It Far Excels All The Rest.

Irrational Passions Would Seem To Be As Much A Part Of Human Nature As Is Reason.

Persuasion Is Effected Through The Medium Of The Hearers, When They Shall Have Been Brought To A State Of Excitement Under The Influence Of Speech; For We Do Not, When Influenced By Pain Or Joy, Or Partiality Or Dislike, Award Our Decisions In The Same Way; About Which Means Of Persuasion Alone, I Declare That The System-mongers Of The Present Day Busy Themselves.

In The Case Of Some People, Not Even If We Had The Most Accurate Scientific Knowledge, Would It Be Easy To Persuade Them Were We To Address Them Through The Medium Of That Knowledge; For A Scientific Discourse, It Is The Privilege Of Education To Appreciate, And It Is Impossible That This Should Extend To The Multitude.

[the Virtues] Cannot Exist Without Prudence. A Proof Of This Is That Everyone, Even At The Present Day, In Defining Virtue, After Saying What Disposition It Is [i.e. Moral Virtue] And Specifying The Things With Which It Is Concerned, Adds That It Is A Disposition Determined By The Right Principle; And The Right Principle Is The Principle Determined By Prudence.