《管子·乘马数》
百姓不能经营农事，君主还不知道他已失去了春天的理财时机，又丢掉了夏天、秋天的理财时机。
民失其本事，君不知其失诸春策，又失诸夏秋之策数也。
The people cannot manage agriculture, and the monarch does not yet know that he has lost the financial opportunity of spring, and has also lost the financial opportunity of summer and autumn.