War should be the only study ...

War should be the only study of a prince. He should consider peace only as a breathing-time, which gives him leisure to contrive, and furnishes as ability to execute, military plans.
War should be the only study of a prince. He should consider peace only as a breathing-time, which gives him leisure to contrive, and furnishes as ability to execute, military plans.

More phrases

Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
Feeling, in the broad sense of whatever is felt in any way, as sensory stimulus or inward tension, pain, emotion or intent, is the mark of mentality.
 Susanne Katherina Langer
In that period, we had the Cold War mentality imbued through us - the Post-war [environment] and the Cold War. I think we were reflecting some of that. This was before the Wall collapsed, etc.
 Stephen Mallinder
The kind of group mentality that we had lived under since the Second World War is starting to erupt, and the craving for individualism is now much stronger. It's not as taboo anymore, as it was when I was younger.
 Nicolas Winding Refn
I come out of a Cold War sensibility, a Cold War mentality, and during those Cold War years, I used to know, I thought, the answers to everything. And since the end of the Cold War, I'm just a dumb as everyone else.
 Jules Feiffer

Quotes from the same author

No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.
Men in general judge more from appearances than from reality. All men have eyes, but few have the gift of penetration.
Men are less hesitant about harming someone who makes himself loved than one who makes himself feared because love is held together by a chain of obligation which, since men are wretched creatures, is broken on every occasion in which their own interests are concerned; but fear is sustained by dread of punishment which will never abandon you.
Many have imagined republics and principalities which have never been seen or known to exist in reality; for how we live is so far removed from how we ought to live, that he who abandons what is done for what ought to be done, will rather bring about his own ruin than his preservation.
A wise prince then...should never be idle in times of peace but should industriously lay up stores of which to avail himself in times of adversity so that when fortune abandons him he may be prepared to resist her blows.