The most optimal and smartest thing at the moment.

Actually the smartest thing to do is to work your way through the working of the mind and meditations. In the understanding of these process, you become free of them. There is consistent growth in your awareness. This is what allow you to be capable of changing the mind.

The second most important thing is the survival in the world. there are certain rules and you can decide to be survive.

Third thing which is based on the beliefs is you need to move out of ego to more towards serving others.

The best thing you can do is to start the process and then add on it.