Read "The Grandfathers' War" by Murray Leinster online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
"Experience directs that any assurance, at any time, that there is nothing wrong or that everything is all right, be regarded with suspicion. Certainly doctors often encounter patients who are ignorant of the nature of their trouble and its cause, and in addition have had their symptoms appear so slowly and so gradually that they were never noticed and still are not realized. " _Manual, Interstellar Medical Service._ P. 68.
It was a very singular society on Canis III. After long and markedly irrelevant argument by spacephone, the Med ship went down to ground in the grip of the Canopolis landing-grid. This was managed with a deftness amounting to artistry. Whoever handled the controls did so with that impassioned perfection with which a young man can handle a mechanism he understands and worships. But it did not follow that so accomplished an operator would think beyond the perfection of performance. He came out and grinned proudly at the Med ship when it rested, light as a feather, on the clear, grassy space in the center of the city's landing-grid. He was a gangling seventeen or eighteen.