You must admit that you are in the wrong.
You must judge for yourself.
I don't know what to make of your actions.
You should be ashamed of your folly.
You should be ashamed of your stupidity.
I took it for granted that you'd come.
I took it for granted that you would come.
You should be ashamed of your innocence.
You should be ashamed of your ignorance.
I think I understand you well enough.
I'm sure I understand you perfectly.
I am convinced that I understand you perfectly.
I think I understand you perfectly.
I think I understand you well.
You must put an end to this foolish behavior.
You must live up to your principles.
I think you had better look forward.
I think you need to think about the future.
I think you should think about the future.
You should be more awake to the danger of your position.