Interrupt Quotes (5 quotes)

Ax: 100 Every thing doth naturally persevere in yt state in wch it is unlesse it bee interrupted by some externall cause, hence
[a] body once moved will always keepe ye same celerity, quantity & determination of its motion.

De Morgan was explaining to an actuary what was the chance that a certain proportion of some group of people would at the end of a given time be alive; and quoted the actuarial formula, involving p [pi], which, in answer to a question, he explained stood for the ratio of the circumference of a circle to its diameter. His acquaintance, who had so far listened to the explanation with interest, interrupted him and exclaimed, My dear friend, that must be a delusion, what can a circle have to do with the number of people alive at a given time?

Every lecture should state one main point and repeat it over and over, like a theme with variations. An audience is like a herd of cows, moving slowly in the direction they are being driven towards. If we make one point, we have a good chance that the audience will take the right direction; if we make several points, then the cows will scatter all over the field. The audience will lose interest and everyone will go back to the thoughts they interrupted in order to come to our lecture.

For the most part we humans live with the false impression of security and a feeling of being at home in a seemingly trustworthy physical and human environment. But when the expected course of everyday life is interrupted, we are like shipwrecked people on a miserable plank in the open sea, having forgotten where they came from and not knowing whither they are drifting. But once we fully accept this, life becomes easier and there is no longer any disappointment.

Once when lecturing to a class he [Lord Kelvin] used the word mathematician, and then interrupting himself asked his class: Do you know what a mathematician is? Stepping to the blackboard he wrote upon it: [an integral expression equal to the square root of pi]

Then putting his finger on what he had written, he turned to his class and said: A mathematician is one to whom

Then putting his finger on what he had written, he turned to his class and said: A mathematician is one to whom

*that*is as obvious as that twice two makes four is to you. Liouville was a mathematician.