People who say that life is not worthwhile are really saying that they themselves have no personal goals which are worthwhile. Prescription: Get yourself a goal worth working for. Better still, get yourself a project. Decide what you want out of a situation. Always have something ahead of you to “look forward to” — to work for and hope for.
"Psycho-Cybernetics Deluxe Edition: The Original Text of the Classic Guide to a New Life".