I think it's technically more correct to say that focus is limited - not willpower. As long as one has a clear, single goal, you can be motivated 24h a day. But

I think it's technically more correct to say that focus is limited - not willpower. As long as one has a clear, single goal, you can be motivated 24h a day. But if there are several goals in your life, it will inevitably lead to a dispersal of motivation.