...for All Men Do Their Acts With

The First Principle Of All Action Is Leisure.

Since We Think We Understand When We Know The Explanation, And There Are Four Types Of Explanation (one, What It Is To Be A Thing; One, That If Certain Things Hold It Is Necessary That This Does; Another, What Initiated The Change; And Fourth, The Aim), All These Are Proved Through The Middle Term.

...virtue Is Not Merely A State In Conformity With The Right Principle, But One That Implies The Right Principle; And The Right Principle In Moral Conduct Is Prudence.

[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.

A Promise Made Must Be A Promise Kept.