"I started studying herbalism and edible plants that existed in the wild. And then I realized, "Okay, cool. I know how to make a fire with sticks and I know how to build a shelter, but I live 90 percent of my life in an urban environment, so these skills aren't really going to help me because there aren't trees that grow in Los Angeles that I can just take a branch and make fire out of, because that wood isn't conducive for that. So I started learning urban survival skills."

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I now began for the first time to envy those young cubs at the university who had fine scholars to tell them what was what; professors who had devoted their lives to mastering and focusing ideas in every branch of learning; who were eager to distribute the treasures they had gathered before they were overtaken by the night. But now I pity undergraduates, when I see what frivolous lives many of them lead in the midst of precious fleeting opportunity. After all, a man's Life must be nailed to a cross either of Thought or Action. Without work there is no play.

— Winston Churchill