The very nature of interactions is bound to make it unpredictable.

It should be noted that the seeds of wisdom that are to bear fruit in the intellect are sown less by critical studies and learned monographs than by insights, broad impressions, and flashes of intuition.

The more physical the activity, the less the difficulties will be. The more the activity becomes intellectual and turns into motives which exercise a determining influence on the commander's will, the more the difficulties will increase.

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

Knowledge in war is very simple, being concerned with so few subjects, and only with their final results at that. But this does not make its application easy.

In War more than anywhere else in the world things happen differently to what we had expected, and look differently when near, to what they did at a distance.

[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.