I get restless over pity smiles
Some precaution wouldn't harm my history
If I had the will to wait a little while
You know I can't repent for all
Sail on where the shadows hide
Moonlight crawling down on me
Just like you could not compete with my pride
Is it way too much to ask
Hard to wake up
With your heart and soul deprived
When the morning comes
The second to your last
At the edge of my last defences
You cut the silence like a knife
You know I won't repent for all
Sail on where the shadows hide
Moonlight crawling down on me
Just like you could not compete with my pride
Gaia shivers and I need your leading light
Sail on where the shadows hide
Moonlight crawling down on me
Just like you could not compete with my pride

In general, this song is about Ariel's realization of mortality. The reality of the inevitable end of his life hits him like lightning, but he's troubled because he can't be sure if he's lived his life according to the will of God (whatever god there may be) and, on the other hand, he's uncertain as to whether knowledge of the will of God alone would (or should) have any bearing on his moral decisions ("you know I can't/won't repent for all"). He comes to peace in the next three tracks after he realizes that the freedom to choose has always been in his hands ("The Black Halo"), every human in the world and throughout history faces the same dilemma ("Nothing Ever Dies"), and that, regardless of what any god or man might say to him, in the end the most important thing is that he can live with himself ("Memento Mori").

Continued from my comment on This Pain... Ariel decides that he cannot possibly repent for all he has done, and that even if he could, mere repentance would not be enough. This prompts him out of his reverie, into action. Setting out under the moonlight, he sails back across the now melted River, in search of Mephisto. Once across, he approaches the demon's castle.

great song!

I think this song has a bit of influence from Center Of The Universe off their album Epica from the year before. Particularily the flute sounding thing in the middle.