尼基沙的爷爷是个守林人,对树林中的一切都了如指掌。一次,在树林里,他教随同前去的孙子辨认各种动物的脚印,一一指点给他看,并且还说:“人活在世上,对一切事物都要留心去看、去想,活到老学到老。要知道,各种知识对人来说都是有益无害的。” Nikki's grandfather is a conservation man, well aware of everything in the woods. Once, in the woods, he taught to go along with the grandson to identify the footprints of all kinds of animals and give him one by one to look, and said: "People living in the world, everything should be careful to see, think, live To learn from old to know that all kinds of knowledge are beneficial to people.