"Well, you could have worse faults than being an obsessive compulsive."

Beth's worst fault is that, though innocent, she still feels guilty for her husband's suicide.

Indeed, Harry's own stealth, on which he had prided himself, was the worse fault of all.

The worst fault lies in a confusion about the notion of 'instinct' itself.

'Is her fault so bad that it cannot be overlooked?' he asked.

She had a tendency to whine at times, but that's not the worst fault in the world.

It's your worst fault, except for ignorance: sit down, I have something to tell you.

Nay, he has a worse fault than that too.

The worst fault you have is to be in love.

But indulging in a book is my worst fault, since I have.