Two other personality traits could also make more likely [Donald] Trump's use of nuclear weapons: his impulsiveness and his lack of predictability.
People are more impulsive and they get slightly less impulsive as they get older and the impulsiveness interacting with the depression is particularly devastating and lethal, potentially lethal.
Impulsiveness can be charming but deliberation can have an appeal, as well.
The truth of life lies in the impulsiveness of matter. The mind of man has been poisoned by concepts. Do not ask him to be content, ask him only to be calm, to believe that he has found his place. But only the madman is really calm.
Emotional self-control-- delaying gratification and stifling impulsiveness- underlies accomplishment of every sort
The act of sending a letter is an act of generosity, even if, in retrospect, it might seem reckless. Why regret one's generosity? Why regret one's impulsiveness, one's misjudgment of others? The inevitable discovery that someone is selling letters you'd written in trust is simply to discover an obvious human truth: there are those who don't cherish us as we'd cherished them, and had wished to be cherished by them.
[Donald] Trump's behavior during the presidential campaign was often erratic, seemingly based on discernable personality traits, including narcissism, arrogance, impulsiveness, and a lack of predictability.