In Afrikaans, a positive command usually just uses the basic verb form.
So:
That means:
This is one of the nice things about Afrikaans: the imperative is often very straightforward.
Because geduldig is being used adverbially here, meaning patiently.
Afrikaans often uses the plain adjective form after the verb in this kind of structure:
By contrast, geduldige would usually appear before a noun:
So in this sentence, geduldig is exactly what you want.
The ë shows that the vowels are pronounced separately.
So reël is not pronounced like one smooth English vowel sound. It has two syllables, roughly:
ree-uhl
The dots help show that it should be pronounced separately, not compressed into a single syllable.
The Afrikaans g is usually a throaty sound, not the normal English g in go.
It is similar to:
So:
both contain that Afrikaans g sound. If you cannot make it perfectly yet, do not worry too much—many learners start with a softer approximation and improve over time.
The semicolon links two closely related commands:
It shows a pause stronger than a comma, but it keeps everything in one sentence.
You could also write this as two separate sentences:
So the semicolon is mainly a punctuation choice, not a special grammar rule.