If you are strong, appear weak. But if you are weak, appear strong.
Hence the saying: The enlightened ruler lays his plans well ahead; the good general cultivates his resources.
The consummate leader cultivates the moral law, and strictly adheres to method and discipline; thus it is in his power to control success.
In war, then, let your great object be victory, not lengthy campaigns.
He who knows his enemy and himself well will not be defeated easily.
There are not more than five primary colours, yet in combination they produce more hues than can ever been seen.