When in a fight to the death, one wants to employ all one's weapons to the utmost. I must say that to die with one's sword still sheathed is most regrettable.

From inside fortifications, the gun has no equal among weapons. It is the supreme weapon on the field before the ranks clash, but once swords are crossed the gun becomes useless.

If you want to learn the craft of war, ponder over this book. The teacher is as a needle, the disciple is as thread. You must practice constantly.

No man is invincible, and therefore no man can fully understand that which would make him invincible

Do not act following customary beliefs.

Fixed formation is bad. Study this well.

When you cannot be deceived by men you will have realised the wisdom of strategy.