Remember our words, then, and whatever is your aim let virtue be the condition of the attainment of your aim, and know that without this all possessions and pursuits are dishonourable and evil.

The object of knowledge is what exists and its function to know about reality.

Nothing is more unworthy of a wise man, or ought to trouble him more, than to have allowed more time for trifling, and useless things, than they deserve.

It is as expedient that a wicked man be punished as that a sick man be cured by a physician; for all chastisement is a kind of medicine.

... for this discovery of yours will create forgetfulness in the learners' souls, because they will not use their memories; they will trust to the external written characters and not remember of themselves.

Apply yourself both now and in the next life. Without effort, you cannot be prosperous. Though the land be good, you cannot have an abundant crop without cultivation.

Now nothing can be more important than that the work of a soldier should be well done.