'Knowledge of the Truth' in the Bible

forbidding to marry, and commanding to abstain from foods, which God created for reception with thanksgiving by those who believe and have full knowledge of the truth.

in meekness correcting those opposing themselves, if peradventure God should give them repentance to a full knowledge of the truth,

always learning, and never able to come to the full knowledge of the truth.

Paul, a slave of God, and an apostle of Jesus Christ, according to the faith of God's elect, and the full knowledge of the truth which is according to godliness,

For, if we sin wilfully after we received the full knowledge of the truth, there no longer remains a sacrifice for sins,