"I know how to choke. Given even a splinter-thin opportunity to let my side down and destroy my own score, I will seize it. Not only does ice water not run through my veins, but what runs there has a boiling point lower than body temperature."

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Note, however, that you cannot simply add temperatures the way you can add volumes or weights. Two people in bed, each with body temperatures of 98.6 degrees Fahrenheit, do not normally create a 197.2 degree under-the-cover oven.

— Neil deGrasse Tyson