Ponder and deliberate before you make a move.

Winning Strategists are certain of triumph before seeking a challenge. Losing Strategists are certain to challenge before seeking a triumph.

The natural formation of the country is the soldier's best ally; but a power of estimating the adversary, of controlling the forces of victory, and of shrewdly calculating difficulties, dangers and distances, constitutes the test of a great general.

They [spies] cannot be properly managed without benevolence and straightforwardness.

Weigh the situation, then move.

O divine art of subtlety and secrecy!

The control of large numbers is possible, and like unto that of small numbers, if we subdivide them.