2 Timothy 2:15
Study to show thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth
We recommend King James Version (KJV), New King James Version (NKJV), New International Version (NIV), the Amplified Version (AMP), New American Standard (NAS/NASB) and English Standard Version (ESV) Bibles.
We recommend Vine's Complete Expository Dictionary of Old and New Testament Words as well as the New Strong's Concordance.
There's a lot of great apps out there, we recommend, ESWORD, Blue Letter Bible, YouVersion and YouVersion Kids.
2 Timothy 3:16-17
All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: that the man of God may be perfect, thoroughly equipped for every good work.