The phrase "prudent thing" means doing something that is wise, cautious, and careful, especially when making decisions or taking actions. Full definition
They said little in public, while reportedly doing all sorts of prudent things behind the scenes. (canadianbusiness.com)
They said little in public, while reportedly doing all sorts of prudent things behind the scenes. (moneysense.ca)
The most prudent thing to do at this moment would be to keep a steady eye on the news feeds and take every unofficial statement with a pinch of salt. (coinbureau.com)