Psalm 138:1: I will give thanks to you, O Lord, with my whole heart; before the gods will I sing praise to you.
When we have been looking at how we react and act as being Christians, we most often think about it in terms of being and doing the right stuff in front of other people and telling people you know Jesus.
But the same can be said about God, or in the case of these verses, 'other gods,' You may find yourself in a place where they worship other gods and that is where you should be telling them and showing them you believe in God, the Holy Trinity.
If you are able to keep your faith in your God at all times, that is going to make a very big impact on others watching you, including other 'gods.'
And, in the words of these verses, we should be doing it from our hearts and with our whole hearts, not just saying the words...