Hi Christian. Welcome to EvCforum
How do you I show a quote from the person I'm replying to?
The easiest way is to use
[qs]text to be quoted[/qs]
That shows up as
text to be quoted
For highlighting, you can use
text to highlight
When you are typing your answer, there is a "dBCodes On" tag at the left. If you open that in a separate window or on a separate tab, then you can use it as a reference.