Glorify God - Chief Aim of Man

In the Old Testament, the Hebrew word for “glory” (kavod) comes from the word for “heavy” (kaved). The word was first used to describe things that were heavy in the literal, physical sense. So, for example, the Bible describes Eli as “heavy,” which is a polite way of saying that he was fat (1 Sam. 4:18). The word was also used more figuratively to describe anything substantial or impressive. Thus the Bible says that Abraham was “heavy,” not because he needed to go on a diet, but because he was rich. “Abram had become very wealthy (literally, “very heavy”) in livestock and in silver and gold” (Gen. 13:2). It is not hard to see why the Hebrew word for “heavy” eventually came to be used to describe anyone who deserved honor or recognition: warriors, princes, judges, and other men of influence and prestige. In modern English, we would call them “heavyweights.” In Hebrew, they were said to be kavod; that is to say, glorious.
The New Testament word for glory has a similar meaning. It is the Greek word doxa, which originally referred to having “an opinion,” but eventually came to mean having a high opinion of some great person, like a king. To give someone glory was to give him the honor that his reputation demanded.

Question 1: What is the chief and highest end of man?

Westminister Catechism

Man's chief and highest end is to glorify God, and fully to enjoy him forever.

Why were we designed and created to give glory to God. There is no higher purpose. Everything is for His glory. God existed in eternity for His own glory.

Psalm 19
1The heavens are telling of the glory of God; And their expanse is declaring the work of His hands.

Colossians 1:16
16For by Him all things were created, both in the heavens and on earth, visible and invisible, whether thrones or dominions or rulers or authorities--all things have been created through Him and for Him.

Romans 11:36

36For from Him and through Him and to Him are all things To Him be the glory forever. Amen.