"There are tough men but let me tell you I know from experience that really dangerous men have no pity. I'm not an unreasonable man but if you are a man and you take a liberty with me or cross me, then believe what I say: When it comes to retribution I have no pity or conscience. If that makes me the devil, then the devil I am, but I haven't got horns sticking out of my head or cloven hooves and a tail but if you're unlucky enough to have me come after you, beware cos hell's coming with me."

"Young people in the audience today, young people like Laura, were born in a place and a time where there is less conflict, more prosperity and more freedom than any time in human history. But that’s n…"

"I thank Providence who has guided my destinies, that I now live ; nay, that I live happier than a king of Persia. You know, fathers and fellow-citizens, that I am wholly occupied with this academical …"

"Very often people do not seem to understand the difference between control and suppression of an emotion. Say, one has a strong desire to enjoy a certain thing but there is no possibility to fulfil th…"

"It seems that if one is working from the point of view of getting beauty in one's equations, and if one has really a sound insight, one is on a sure line of progress. If there is not complete agreemen…"