A craft or skill supports one’s livelihood — having a skill can help you earn a living (proverb).
彼は趣味で始めた料理が上達して独立し、まさに芸は身を助くを体現した。
He improved the cooking he started as a hobby, became independent, and truly embodied 'a skill supports one's livelihood.'
派手な学歴がなくても、手に職があれば安心だ。芸は身を助くという言葉がある。
Even without flashy academic credentials, you can be secure if you have a trade. There is a saying: 'a skill supports one's livelihood.'