Kennt / Know Steuerung / Control
You can only control what you can control.
I'm not worried. I'm in control.
I'm from Iowa, we don't know what cool is!
I know bugger all about golf.
I do not know it all and do not claim to.
I know what I can do at 155.
I do what I do; I can't control who thinks what.
I didn't know what to do with calories.
I don't know how to knit.