America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves.

If there is some end in the things we do, which we desire for its own sake, clearly this must be the chief good. Knowing this will have a great influence on how we live our lives.

Politics appears to be the master art for it includes so many others and its purpose is the good of man. While it is worthy to perfect one man, it is finer and more godlike to perfect a nation.

It is the mark of an educated man to look for precision in each class of thing in so far as its nature admits.

There are three prominent types of life: pleasure, political and contemplative. The mass of mankind is slavish in their tastes, preferring a life suitable to beasts; they have some ground for this view since they are imitating many of those in high places. People of superior refinement identify happiness with honour, or virtue, and generally the political life.

Men generally agree that the highest good attainable by action is happiness, and identify living well and doing well with happiness.

While young men may become geometers and mathematicians and such like things, young men of practical wisdom cannot be found. Wisdom is concerned not only with universals, but with the particulars, which only become familiar through the experience the young man has not.