• People tend to think astronauts have the courage of a superhero - or maybe the emotional range of a robot. But in order to stay calm in a high-stress, high-stakes situation, all you really need is knowledge. Sure, you might still feel a little nervous or stressed or hyper-alert. But what you won't feel is terrified.

    Chris Hadfield (2013). “An Astronaut's Guide to Life on Earth”, p.38, Pan Macmillan
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