The lyrics to Thomas Bergersen's "Final Frontier" are focused on concealment and the idea that someone is hiding their hurt and pain from the outside world. The first two lines imply that there is a deeper hurt and pain that someone is experiencing, but they are holding it internally and not showing it to others. The repetition of these lines reinforces the message that this person is really struggling with something but is choosing not to share it with others. The third line, "The sun has come in vain," suggests that even the brightness of the sun cannot lift the weight of this person's hidden pain. The line may also hint at the idea that the world keeps moving forward, even though this person is struggling behind a facade.

The repetition of the first two lines in the chorus drives home the idea that the pain is still being kept hidden. The line "Come on" seems to be a plea--an invitation to open up and share what's going on. The repetition of the first two lines also creates a sense of ongoing struggle or suffering, as if things are not resolved and the pain is still present.

Overall, "Final Frontier" is a poignant reminder that even though someone may appear to have it all together on the outside, they may be struggling internally. It can also be interpreted as a call to open up and share our struggles with others, rather than trying to hide them away.