Are you not ashamed, Socrates, of introducing such topics into the argument?

He was a pioneer in introducing agricultural topics into a university curriculum.

That includes neither asking questions nor introducing new topics.

They communicated online for about a month; then he introduced sexual topics into their conversations.

Tompkins introduced topics from behind a podium, summarizing the week's events.

Editorially, the redesign introduced such new topics as money, sports and fashion.

Care is taken to introduce foundational topics first, building key concepts and vocabulary for later study.

While it's always possible to introduce new topics into a conversation, they should at least bear some relevance to the primary discussion.

She introduces topics into conversations that we've already talked about.

The museum introduces mainly topics related to technology, for modern industry.