1 Corinthians 2:10–12 (NIV)
“But God hath revealed them unto us by his Spirit: for the Spirit searcheth all things, yea, the deep things of God… Now we have received, not the spirit of the world, but the spirit which is of God; that we might know the things that are freely given to us of God.”

John 14:26 (NIV)
“But the Advocate, the Holy Spirit, whom the Father will send in my name, will teach you all things and will remind you of everything I have said to you.”

1 John 2:20 (NIV)
“But you have an anointing from the Holy One, and all of you know the truth.”

1 John 2:27 (NIV)
“As for you, the anointing you received from him remains in you, and you do not need anyone to teach you. But as his anointing teaches you about all things and as that anointing is real, not counterfeit—just as it has taught you, remain in him.”