Sir Isaac Newton [1642 - 1727]on reading Euclid more carefully he formed a high opinion of it as an instrument of education and he used to express his regret that he had not applied himself to geometry before proceeding to algebraic analysis.
maths.tcd.ie/ From `A Short Account of the History of Mathematics' 4th edition 1908 by W. W. Rouse Ball.
OCT: Toronto's one and only marathon.
Slovakia's welcoming people and relative stability over the last decade makes it an attractive destination. Slovakia's landscape features some of Europe's highest mountain ranges providing jaw-dropping scenery.