Their conduct has been one of incredible courage, and great coolness under the most trying conditions.
What is needed at the present time is the utmost coolness, the utmost calmness and the utmost impartiality.
I therefore urge some coolness of temper and the use of common sense now.
I admired his coolness in the most difficult and at times provocative circumstances.
By his coolness and courage he has prevented others in times of great emergency from being panic-stricken.
There are regulations saying that refrigerators must be tested three times a day for their coolness and those tests must be logged.
There is always a hazard, as in other matters, that, in terms of a borderline, coolness may be mistaken for complacency.
The successful completion of this operation was in itself a performance of almost incredible skill and coolness.