All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: 2Timothy 3:16 All the Bible is important but some parts may be harder to understand than other parts. The Bible is written using different styles of writing. Parts of it are written to different people. Different parts of the Bible are to be understood in specific ways. The following list should be helpful to you in understanding the scriptures properly.
Some portions of scripture may be difficult to understand. It may mean lots of hard work, and patience. It is possible that God will use another portion of scripture to help you understand at a later date.