Man owe its survival only to its mind
Man cannot survive except through his mind. He comes on earth unarmed. His brain is his only weapon. Animals obtain food by force. man had no claws, no fangs, no horns, no great strength of muscle. He must plant his food or hunt it. To plant, he needs a process of thought. To hunt, he needs weapons,and to make weapons - a process of thought. From this simplest necessity to the highest religious abstraction, from the wheel to the skyscraper, everything we are and we have comes from a single attribute of man -the function of his reasoning mind.
Mariners had painstakingly mapped the coastlines of the continents. Geographers had translated these findings into charts and globes. Photographs of ...
An inefficient virus kills its host. A clever virus stays with it.
It was the quietness of life in a medieval English village that would most strike a visitor from today—no planes overhead, no swish or rumble from traffic. Stop reading this book a minute. Can you hear something? Some machine turning? A waterpipe running? A distant radio or a pneumatic drill digging up the road? Of all the varieties of modern pollution, noise is the most insidious.
Yet in the year 1000 the hedgerows actually had a sound. You could hear baby birds chirping in their nests, and the only mechanical noise you would hear came from the wheezing of the blacksmith’s bellows. In some villages you might have heard the bell in the church tower, or the creaking and clunking of the wooden cogs in one of the water-mills that had been constructed in the last 200 years, and if you lived near one of England’s dozen or so cathedrals, you would have heard the heavy metal cascadings of sound from the copper windpipes of one of the recently imported church organs. But that was all. As bees buzzed and wood pigeons cooed, you could listen to God’s creation and take pleasure in its subtle variety.