The king should collect wealth from his subjects at the proper time. He should never announce what he does. Like an intelligent person milking his cow every day, the king should milk his kingdom everyday.
कालं प्राप्तमुपादद्यान्नार्थं राजा प्रसूचयेत्। अहन्यहनि संदुह्यान्महीं गामिव बुद्धिमान्॥