Genesis 18:19
For I have known him, to the end that he may command his children and his household after him, that they may keep the way of the LORD, to do righteousness and justice; to the end that the LORD may bring on Abraham that which he has spoken of him.”
World English Bible (Public Domain)
In context
Before · Genesis 18:17–18
17The LORD said, “Will I hide from Abraham what I do, 18since Abraham will surely become a great and mighty nation, and all the nations of the earth will be blessed in him?
19For I have known him, to the end that he may command his children and his household after him, that they may keep the way of the LORD, to do righteousness and justice; to the end that the LORD may bring on Abraham that which he has spoken of him.”