Philosophy Is The Science Which Considers Truth.

Man, As An Originator Of Action, Is A Union Of Desire And Intellect.

Liars When They Speak The Truth Are Not Believed.

The Hand Is The Tool Of Tools.

Youth Should Stay Away From All Evil, Especially Things That Produce Wickedness And Ill-will.

There Are Branches Of Learning And Education Which We Must Study Merely With A View To Leisure Spent In Intellectual Activity, And These Are To Be Valued For Their Own Sake; Whereas Those Kinds Of Knowledge Which Are Useful In Business Are To Be Deemed Necessary, And Exist For The Sake Of Other Things.