"cause to speak" - Translation from English to Arabic

Of that I shall have also cause to speak and from his mouth whose voice will draw on more.
وعن ذلك ... ... وسأتحـدث أيضــا ... عن أمــور أخرى كان سيتحــدث عنهــا

We will not have cause to speak again.
لن يكون هناك داع لأن نتحدث مجددا