《吕氏春秋·纪·季春纪》
这时要禁止妇女去游玩观赏，同时减少她们的杂役，鼓励她们采桑养蚕。
蚕事既登，分茧称丝效功，以共郊庙之服，无有敢堕。
At this time, women are prohibited from strolling around. At the same time, they have less chores to do and are encouraged to raise silkworms.