To follow / worship God means to follow / obey God’s laws.
Therefore, to know God means to know / understand God’s laws.
(A believer who does not act on his beliefs is no believer at all.
Therefore to believe in God means both to know God’s laws and to obey them.)
Why would we want to obey God’s laws? Because we have understood them to be good.
What if God didn’t exist? Would we still follow those laws that we have understood to be good? Does God’s existence need to be proved to be true, before we want to follow God’s laws?
Is understanding the goodness of God’s laws enough for us to obey them?
For me, the answer is yes.
Therefore, it makes no sense to worry about whether God even exists. What really matters is for us to understand what is good, and just do it.
People who worry about whether their favourite all-powerful God truly exists, do not really worship God. They merely worship Power, and the selfish benefits that it confers. (“Believe” God, because he is all-powerful and will give you a nice place in heaven, and bless you with all kinds of riches? Yes please! Also, hell is a terrible place …)
It is perhaps no wonder that such people enjoy serving another god whose power and existence is beyond dispute: its name is Money.
Matthew 6:24-34 New English Translation (NET Bible)
24 “No one can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.
Do Not Worry
25 “Therefore I tell you, do not worry about your life, what you will eat or drink, or about your body, what you will wear. Isn’t there more to life than food and more to the body than clothing? 26 Look at the birds in the sky: They do not sow, or reap, or gather into barns, yet your heavenly Father feeds them. Aren’t you more valuable than they are? 27 And which of you by worrying can add even one hour to his life? 28 Why do you worry about clothing? Think about how the flowers of the field grow; they do not work or spin. 29 Yet I tell you that not even Solomon in all his glory was clothed like one of these! 30 And if this is how God clothes the wild grass, which is here today and tomorrow is tossed into the fire to heat the oven, won’t he clothe you even more, you people of little faith? 31 So then, don’t worry saying, ‘What will we eat?’ or ‘What will we drink?’ or ‘What will we wear?’ 32 For the unconverted pursue these things, and your heavenly Father knows that you need them. 33 But above all pursue his kingdom and righteousness, and all these things will be given to you as well. 34 So then, do not worry about tomorrow, for tomorrow will worry about itself. Today has enough trouble of its own.