If you have to fear something, fear mediocrity.
Fear is the mortal enemy of creativity, innovation, and happiness.
Ideas are abundant. Practice giving your ideas away. If you hold onto ideas too tightly, you can convince people (and yourself) that you may not come up with any new ones
If you're not having fun, you're doing it wrong.
You create a fearful culture where you spend a lot of time looking at where you screwed up.
We try to 'self-medicate' ourselves against boredom with mobile phones in any given moment of free time.