Authors:

And no, it wasn't shame I now felt, or guilt, but something rarer in my life and stronger than both: remorse. A feeling which is more complicated, curdled, and primeval. Whose chief characteristic is that nothing can be done about it: too much time has passed, too much damage has been done, for amends to be made.

Julian Barnes (2011). “The Sense of an Ending”, p.99, Random House
And no, it wasn't shame I now felt, or guilt, but something rarer in my life and stronger than both: remorse. A feeling which is more complicated, curdled, and primeval. Whose chief characteristic is that nothing can be