Focus is a matter of deciding ...

Focus is a matter of deciding what things you\'re not going to do.
Focus is a matter of deciding what things you're not going to do.
 John Carmack

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Don't settle in the land of barely enough. That is where you are, it is not who you are. That's your location, it's not your identity. No matter what it looks like, have an abundant mentality.
Everything in your life, every experience, every relationship is a mirror of the mental pattern that is going on inside of you.

Quotes from the same author

Some cynical people think that every activity must revolve around the mighty dollar, and that anyone saying otherwise is just attempting to delude the public. I will probably never be able to convice them that that isn't always the case, but I do have the satisfaction of knowing that I live in a less dingy world than they do.
 John Carmack
Programming in the abstract sense is what I really enjoy. I enjoy lots of different areas of it... I'm taking a great deal of enjoyment writing device drivers for Linux. I could also be having a good time writing a database manager or something because there are always interesting problems.
 John Carmack
It is not that uncommon for the cost of an abstraction to outweigh the benefit it delivers. Kill one today!
 John Carmack
The situation is so much better for programmers today - a cheap used PC, a linux CD, and an internet account, and you have all the tools necessary to work your way to any level of programming skill you want to shoot for.
 John Carmack
Sometimes, the elegant implementation is just a function. Not a method. Not a class. Not a framework. Just a function.
 John Carmack