1. Limit inputs and the number of inboxes you have to pay attention to. By &quot;limit inputs&quot;, I mean limit and control  what goes into your brain to limit information fatigue -- websites, podcasts, etc. All this stuff must be processed by your brain. If it&#x27;s not truly important to you, cut it out.<p>Learn to enjoy the silence.<p>2. Pay no attention to the latest productivity &quot;life hacks&quot; and apps. Use simple, age-tested, least-friction approaches.<p>3. Exercise very single day. Walk, run, lift, whatever. This is a keystone habit for discipline and productivity and is vital.<p>4. Get stuff done.