承诺最慎重的人是履行承诺最忠实的人。
The person who is slowest in making a promise is the most faithful in performance of it.
Every problem in mathematics has a solution; you just have to find the right path.
翻译：强调智慧和志向在洞察事物运动和器物原理方面的重要性。
The true measure of our success in fisheries management will be what we leave behind for our children.
Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.