彼は困難にもめげず、このプロジェクトを最後までやり抜いた。
Despite the difficulties, he saw the project through to the end.
一度始めたことは必ずやり抜くのが私の信条だ。
My principle is to always see through whatever I start.
やり抜く力こそが成功への近道だと言われる。
It is said that the ability to persevere to the end is the shortest path to success.