It is a well-known fact that smoking is harmful to your health.

In fact, I have never been to Japan.

Understanding the facts of life is important for a comprehensive sex education.

Her writing style is matter-of-fact and focuses on presenting the facts.

The fact finder was hired to investigate the details of the case.

Dealing with disappointment is a fact of life.

It is a known fact that the Earth revolves around the Sun.

In point of fact, the evaluation of the environmental impact of a project should not merely take into account the direct effects, but also the indirect effects that might not be immediately apparent.

As a matter of fact, I have already finished the report.

The annexation of the territory was presented as an accomplished fact, leaving no room for negotiation.