There is not a more pleasing exercise of the mind than gratitude. It is accompanied with such an inward satisfaction that the duty is sufficiently rewarded by the performance. – Joseph Addison
Nothing is more gratifying to the mind of man than power or dominion. – Joseph Addison
Mutability of temper and inconsistency with ourselves is the greatest weakness of human nature. – Joseph Addison
Our delight in any particular study, art, or science rises and improves in proportion to the application which we bestow upon it. Thus, what was at first an exercise becomes at length an entertainment. – Joseph Addison