Valence

I knew this river once
I knew it such a long long time ago
I knew it's every turn
I knew that it would show me where to go
But something up ahead
Has come before my eyes
And now I see a turn
That I don't recognize
Valence a halo
The strangest shadow
What can we trust in now
What can we know when all we know is gone
When what I feel is fear
When fear is real how can I carry on
But carry on I must
Or fall into despair
So touch the lowest point
And leave a teardrop there