How can I understand the Bible?

By being saved

But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.

I Corinthians 2:14

By obeying God

I understand more than the ancients, because I keep thy precepts.

Psalm 119:100

If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.

John 7:17

By asking for God’s help

Open thou mine eyes, that I may behold wondrous things out of thy law.

Psalm 119:18

By asking others to help

And Philip ran thither to him, and heard him read the prophet Esaias, and said, Understandest thou what thou readest? And he said, How can I, except some man should guide me? And he desired Philip that he would come up and sit with him.

Acts 8:30,31

By meditating upon the scriptures

I have more understanding than all my teachers: for thy testimonies are my meditation.

Psalm 119:99

By seeking and searching

If thou seekest her as silver, and searchest for her as for hid treasures;

Then shalt thou understand the fear of the LORD, and find the knowledge of God.

Proverbs 2:4-5

By having the attitude of a trusting child

At that time Jesus answered and said, I thank thee, O Father, Lord of heaven and earth, because thou hast hid these things from the wise and prudent, and hast revealed them unto babes.

Matthew 11:25