As one who is satisfied with all sorts of taste fells no desire for any particular taste, similarly one who is pleased with knowledge has eternal gratification which to him is a source of perfect happiness.
यथा सर्वरसैस्तृप्तो नाभिनन्दति किंचन॥ तथा प्रज्ञानतृप्तस्य नित्यतृप्तिः सुखोदया।