These innocent arts furnish amusement & happiness to those who, having time on their hands, might less inoffensively employ it; needing, at the same time, no regular incorporation with the institution, they may be left to accessory teachers, who will be paid by the individuals employing them; the university only providing proper apartments for their exercise.
The addition of the arts into the practices of the university shows that Jefferson acknowledged the fact that all aspects of knowledge play a role in enriching an individual. However, the document's statement that the "arts furnish amusement & happiness to those who, having time on their hands..." employs the precedent of setting non-math and non-science subjects to be seen as second-tier education.