No it is essential to faith to be led by His spirit that He promised all those who believe, just look at this forum and we see what too much bible study does, and so little of His Spirit.Seriously? You have got to be kidding me.
I think that it has to be an essential of the faith to understand that the Bible is holy and inspired by God.
Joh 14:16 And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever;
Joh 14:17 Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.
Joh 14:18 I will not leave you comfortless: I will come to you.
That is where men get there revelation from.
Gal_1:12 For I neither received it of man, neither was I taught it, but by the revelation of Jesus Christ.
1Jn_2:27 But the anointing which ye have received of him abideth in you, and ye need not that any man teach you: but as the same anointing teacheth you of all things, and is truth, and is no lie, and even as it hath taught you, ye shall abide in him.
Jesus promised us the best wine at the last, just like it was at the wedding, the water into wine.
Joh 2:9 When the ruler of the feast had tasted the water that was made wine, and knew not whence it was: (but the servants which drew the water knew the governor of the feast called the bridegroom,
Joh 2:10 And saith unto him, Every man at the beginning doth set forth good wine; and when men have well drunk, then that which is worse: but thou hast kept the good wine until now.
When we trust Him we will never go wrong , well less often.