It is No Good getting Furious if you get Stuck. – Stephen Hawking

It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years. – Stephen Hawking 

Ah, procrastination—the silent killer of dreams.

You’re probably familiar with the feeling you get when you know there is something you ought to be doing, but you just can’t seem to get to it. When you’re feeling stuck, motivating yourself to get going is just the hardest thing to do. Maybe you’ve experienced this yourself: the sneaky voice that suggests you contemplate giving up on what you really want…

How to Get Unstuck