Luke 24:45

Then opened he their understanding, that they might understand the scriptures,
— Luke 24:45, King James Version

In other translations

World English Bible (WEB)

Then he opened their minds, that they might understand the scriptures.

American Standard Version (ASV)

Then opened he their mind, that they might understand the scriptures;

Young's Literal Translation (YLT)

Then opened he up their understanding to understand the Writings,