'Knowledge of the Truth' in the Bible

who is willing that all men should be saved, and therefore come to the knowledge of the truth.

and led away by various lusts, always learning and never able to come to the knowledge of the truth.

Paul a servant of God, and an apostle of Jesus Christ, for promoting the faith of God's chosen people, and the knowledge of the truth which is according to godliness:

For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins;