All men by nature desire knowledge.

For 'activity in conformity with virtue' involves virtue.

Plato is dear to me, but dearer still is truth.

Further, the orator should be able to prove opposites, as in logical arguments.

Music has a power of forming the character, and should therefore be introduced into the education of the young.

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently; but he is willing, in great crises, to give even his life – knowing that under certain conditions it is not worthwhile to live.

No one would choose a friendless existence on condition of having all the other things in the world.

We Can't learn without pain.

In poverty and other misfortunes of life, true friends are a sure refuge. The young they keep out of mischief; to the old they are a comfort and aid in their weakness, and those in the prime of life they incite to noble deeds.

How can a man who, for a significant phase of his formation, shared his master's opposition to rhetoric have in maturity composed a masterpiece of the formal study of rhetoric? This.