“The reward of joy is joy itself; not for its own sake; but for the sake of others.”

“Beauty is desired in order that it may be befouled; not for its own sake, but for the joy brought by the certainty of profaning it.”

“[Atheism] believes that truth for truth's sake is the highest ideal and that virtue is its own reward.”

“To enjoy—to love a thing for its own sake and for no other reason.”

“Being an actor, in and of itself, is just hard. You have to just do it for its own sake.”

“It is not for its own sake that men desire money, but for the sake of what they can purchase with it.”

“The value of the goal lies in the goal itself; and therefore the goal cannot be attained unless it is pursued for its own sake.”

“The monkeys solved the puzzle simply because they found it gratifying to solve puzzles. They enjoyed it. The joy of the task was its own reward.”

“Do not seek pleasure for its own sake.”

“Growth purely for its own sake is the philosophy of cancer.”