Don't interact with people who turn your brain off.
Interact with the intellectually stimulating, with people smarter than you, if you can.
Don't buy products with ads that are too flashy. Just look at the specs and compare.
Be wary of "instant rewards", "gifts". Look for the strings attached.
Don't talk to salespeople who are too good at selling things. Just get the catalog.
Don't support politicians who are too good at public speaking techniques. Just don't support any.
Don't date women who makes you think "cute" or "sexy" instantly. Date the people who turn you off.
Don't call sexually-mature human females "girls". Call them women/people.
Women, stop calling sexually-mature human males "guys". Call us men/people.
"The most important rule there is, the Wizard's Sixth Rule: the only sovereign you can allow to rule you is reason. The first law of reason is this: what exists, exists, what is, is and from this irreducible bedrock principle, all knowledge is built. It is the foundation from which life is embraced.
Thinking is a choice. Wishes and whims are not facts nor are they a means to discover them. Reason is our only way of grasping reality; it is our basic tool of survival. We are free to evade the effort of thinking, to reject reason, but we are not free to avoid the penalty of the abyss that we refuse to see. Faith and feelings are the darkness to reasons light. In rejecting reason, refusing to think, one embraces death."
Faith of the Fallen
In my experience, very Randian and hard to live by. But the way I see it, that is the way things seem to be heading.
