I have deeply regretted that I did not proceed far enough at least to understand something of the great leading principles of mathematics, for men thus endowed seem to have an extra sense.

I am a violent man who has learned not to be violent and regrets his violence.

I was so ashamed of who I was, a kind of semi-racist, which didn't make sense.

O thou invisible spirit of wine, if thou hast no name to be known by, let us call thee devil.

Happiness is pleasure without regret.

We regret the things we don't do more than the things we do.