a cool head

a cool head

the ability to stay calm and think clearly in a difficult situation These are high pressure situations and you have to keep a cool head.
See also: cool, head
References in classic literature ?
Caution deserted me, and I made noise enough to wake the very mute; lost to every consideration but that of the terrifying day before me, the day of silence and of inactivity, that I must live through with an unsuspecting face, a cool head, a civil tongue
It is my duty to attend to your interests with a cool head, and I can quite understand that to your excited feelings I may appear, at such times as the present, insensible.
Rikki Lee James' first-half opener was cancelled out by Brotherwick on the hour and he showed a cool head to crash in the winner from the penalty spot in the 89th minute.