Psalms 48:9 - Matthew Poole's English Annotations on the Holy Bible

It hath been the matter of our serious and deep meditation, when we have been worshipping there in thy temple. For when the priests were offering incense or sacrifice, the religious people exercised themselves in holy meditation or secret prayer to God, as may be gathered from Luke 1:10, and many other places of Scripture, and from the nature of the thing. Or, we have silently or patiently waited for, as some ancient and other interpreters render it.