John 14:6-7
6 Jesus said to him, “I am the way, and the truth, and the life. No one comes to the Father except through me. 7 If you had known me, you would have known my Father also. From now on you do know him and have seen him.”

John 8:32
32 And ye shall know the truth, and the truth shall make you free.

The phrase "And ye shall know the truth, and the truth shall make you free" is from John 8:32 in the King James Version of the Bible. It emphasizes the importance of knowing the truth, particularly in a spiritual context, suggesting that understanding and accepting the truth can lead to freedom from sin and ignorance.

The phrase "none so blind as those who will not see" means that the most ignorant people are those who choose to ignore the truth or reality around them. It often refers to individuals who refuse to acknowledge facts due to prejudice or intolerance.