出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第110页（272字）
只要有决心、有毅力，就一定能够成功，例经过了十多年的反复试验，有志竟成，他终于完成了他的发明。
After all kinds of tests lasting ten or more years，he was finally satisfied with his invention．He has certainly lived up to the proverb“where there is a will there is d way．”