Sun Tzu puts forward seven criteria to compare rival sides, including virtuous rulers, capable generals and disciplined troops, to judge victory or defeat. He also notes leaving or staying based on whether a general adopts his strategies.
— Zhang Ji The River Xiang unruffled in autumn looks wide; The wayfarer at moonset leaves the riverside. We see wayfarers come, we see wayfarers go. Over white duckweed partridges fly to and fro.