Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 124.

The Mountains [1], 11/07/1732, ¶653:

2. Practice in running right from childhood. As soon as a Lapp boy can walk, he has to run to head off the reindeer, and as soon as he is a little bigger, he has to follow the reindeer, which are always on the move at a fast pace. They are, in fact, worse to follow than goats and more difficult to keep up with than racing with calves. Now, if a runner and a tightrope walker – who habitually exercise the use of their feet from youth onwards – become light of foot, why should not the same true of a Lapp, who often has to follow reindeer right up until the time he gets married?