Having one's wits about one is essential during a power outage.

If one had one's wits about one, one could have avoided the mistake.

When my brother brought up our childhood, I sighed and said, 'I don't want to talk about it.'

When debating policy, remember: facts don't care about your feelings, so base decisions on evidence rather than emotion.

When he insisted that climate change is just a natural cycle, I told him you don't know what you're talking about and suggested he read the IPCC report.