Success is never due to one thing, but failure can be. Sleeping well won't make you successful, but not sleeping enough will hold you back. Hard wor… - James Clear

Every action you take is a vote for the type of person you wish to become. No single instance will transform your beliefs, but as the votes build up, so does the evidence of your new identity. This is one reason why meaningful change does not require radical change. Small habits can make a meaningful difference by providing evidence of a new identity. And if a change is meaningful, it is actually big. That's the paradox of making small improvements.

I rarely have good ideas.

To overcome this limitation, I think about one topic (like habits) for an unreasonable amount of time. Then, I revise, revise, revise until only the best stuff remains. It's slow, but it works.

You can either be a genius or you can be patient.

Be forgiving with your past self.
Be strict with your present self.
Be flexible with your future self.