[526]- To witness on the Day of Judgement. Another meaning is "Once a messenger has come [to them in this world]..."
[527]- "Impatience" refers to the disbelievers' ridicule of the Prophet (ﷺ) by telling him to produce Allāh's punishment as proof of his truthfulness.
[528]- i.e., when it is too late to benefit from belief.
[529]- Challenging those who warned of it to bring it on immediately.