释义：兵法的要旨在于灵活应变，善于了解和掌握军事的本质，行动之前必须先预测敌人的动向。

农业是文明的支柱，我们必须给予它应有的尊重。

我们穿的衣服应该反映我们想要生活的世界。

Semiconductors are the food of the information society; without them, modern information technology would not exist.

The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.