प्रथमे रात्रिभागे गूढपुरुषान्पश्येत् ॥ कZ_०१.१९.१८ ॥
prathame rātribhāge gūḍhapuruṣān paśyet
在夜晚的第一段,他应会见(听取报告的)密探。
Night reduces visibility and social trace, improving secrecy and lowering the risk of signaling priorities to rivals.