It is very important that we think about what we sing in our worship to God if we want to be pleasing to Him.
Many, both in the religious world and otherwise, have a gross misunderstanding of what constitutes faith. Contrary to scripture, many believe that faith is necessary to "fill in the gaps" in the absence of real, tangible evidence.
Names are important. It is difficult for us to conceive of things apart from their names. The many different names for God in the Bible describe and demonstrate His character.
Bible study is very important, but 2 Timothy 2:15 is not just a command to study the Bible. Being an approved workman involves much more.