The proximity of an army causes prices to go up; and high prices cause people's substance to be drained away. When their substance is drained away, they will be afflicted by heavy exactions. With this loss of substance and exhaustion of strength, the homes of the people will be stripped bare, and their incomes dissipated.
Sun Tzu's The Art of War: Bilingual Edition Complete Chinese and English Text (ed. Tuttle Publishing, 2012) - ISBN: 9781462905126