Many people quote the proverb 'on the Internet nobody knows you're a dog' when discussing online anonymity.

They started chatting and, before one knows where one is, the meeting had turned into a social gathering.

At the reunion my grandmother sighed and said it is a wise child that knows his own father, a proverb she used whenever paternity was the subject of gossip.

She knows which side one's bread is buttered on, so she always supports the team that has the most influence.

During the panel, several knowers explained how intuition and experience shape scientific inquiry.

The knower stepped forward and described the secret he had guarded for years.