WRONG.
His Church is led by the Holy Spirit to ALL truth (John 6:12-15).
Jesus didn't preach this to the crowds - but ONLY to His inner circle, the LEADERS of His Church. This guarantee is NOT made to the individual acting on his own - but ONLY as part of the Church.
This is why you have tens of thousands of disjointed and perpetually-splintering Protestant factions who ALL teach different doctrines yet ALL claim they were "led" by the Holy Spirit.
The Holy Spirit is NOT the Author of Confusion.
Your Protestant Father were - and your leaders continue to be . . .
So blind.
Rom 8:14 For as many as are led by the Spirit of God, they are the sons of God.
Rom 8:15 For ye have not received the spirit of bondage again to fear; but ye have received the Spirit of adoption, whereby we cry, Abba, Father.
Rom 8:16 The Spirit itself beareth witness with our spirit, that we are the children of God: