feel remorse

And Lady Isabel was of a nature to feel remorse beyond common—to meet it half-way.

Therefore, why should he feel remorse over what the fellow had brought upon himself?

But whenever I succeed in getting interested in anything, I immediately feel remorse.

And you do not want to add that horror to my remorse, now that I am old enough to feel remorse, and realize your suffering.

I could never feel remorse because I had been mad—horror, perhaps, but not remorse.