Being a captain can't be easy. There are hundreds of people counting on them to make the right decisions that will keep them alive. Being the captain of the U.S.S. Enterprise – the flagship of the United Federation of Planets – must come with even more stress. But fans of Captain James T. Kirk in Star Trek would rarely see that pressure get to him.
Source:https://www.cbr.com/star-trek-best-captain-kirk-quotes-original-series-spock/