A complacent satisfaction with present knowledge is the chief bar to the pursuit of knowledge.
B. H. Liddell HartLoss of hope rather than loss of life is what decides the issues of war. But helplessness induces hopelessness.
B. H. Liddell HartIn the case of a state that is seeking not conquest but the maintenance of its security, the aim is fulfilled if the threat is removed - if the enemy is led to abandon his purpose.
B. H. Liddell Hart