When you reach your sixties, you have to decide whether you're going to be a sot or an ascetic. In other words if you want to go on working after you're sixty, some degree of asceticism is inevitable.
The belief that youth is the happiest time of life is founded upon a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.
Bugs Bunny - the perfect employee. Never absent. Never late. Never changes the script. Doesn't have an agent. Never asks for a percent of the profit. Doesn't ask to have his relatives on the payroll.