Following the signing of Jordan Henderson, the likes of Wayne Bridge and Alexander Doni have also been linked with the club, but Henry says the club's policy is to involve signing younger players.
Henry wrote on Twitter: "Speculation on players shouldn't include those of a certain age. We are not going to be successful by merely filling short-term needs at LFC.
"Everything in sports is overpriced now - especially the cost of winning. But you make your choices based on a plan," he added.
"Some things happen early and some late. The important thing is that things happen. Sometimes what you avoid is important."
The Reds are expected to complete a deal to sign Charlie Adam in the near future, while a move for Aston Villa winger Stewart Downing is also imminent.