Knowing is different from doing and therefore theory must never be used as norms for a standard, but merely as aids to judgment.

[The cause of inaction in war] ... is the imperfection of human perception and judgment which is more pronounced in war than anywhere else. We hardly know accurately our own situation at any particular moment while the enemy's, which is concealed from us, must be deduced from very little evidence.

Whoever does great things with small means has successfully reached the goal.

Strength of character does not consist solely in having powerful feelings, but in maintaining one's balance in spite of them.

There is nothing more common than to find considerations of supply affecting the strategic lines of a campaign and a war.

The difficulty of accurate recognition constitutes one of the most serious sources of friction in war, by making things appear entirely different from what one had expected.

It is even better to act quickly and err than to hesitate until the time of action is past.