mastered

You, sir, have mastered at least one of the two hard problems in computer science.

The assumption that you've mastered in a matter of months what you think others have failed at for years.

Once you have mastered Emacs, you are good at all other editorsI haven't found that to be true at all.

In my calculus classes I have found that a great many of the students have not mastered high school algebra.

They all had mastered that patronizing "settle down children" tone, and used it constantly.

Humans learned how to write 5000 years ago, and it took us a very long while until we mastered the art of transmitting information like that.

I think companies need to do a better job of listing what technologies they use without making it sound like it's required to have mastered all of them.

And music targeting vinyl to begin with is usually mastered differently.

I still occasionally make use of fancy graphical debuggers like those in Xcode and Visual Studio, but the more I studied and mastered the art and science of the debugging process, the less I relied on those things.

It's the oldest continuously-played board game in the world, it was originally developed as a tool for teaching business, it takes minutes to learn and I think nobody has ever mastered it, it's a great way to develop intuition about when to be aggressive and when to be defensive, and it has a perfect balance of tactics and strategy: it's called Go.