If you direct your whole thought to work itself, none of the things which invade eyes or ears will reach the mind.
QuintilianPrune what is turgid, elevate what is commonplace, arrange what is disorderly, introduce rhythm where the language is harsh, modify where it is too absolute.
QuintilianOur minds are like our stomaches; they are whetted by the change of their food, and variety supplies both with fresh appetite.
Quintilian