成功不是终点，失败不是致命的：重要的是继续前进的勇气。
Success is not final, failure is not fatal: it is the courage to continue that counts.
The man who has begun to live more seriously within begins to live more simply without.
科学不是形式逻辑；它和其他创造性艺术一样，需要思想的自由发挥。
自然法的最低内容对于任何社会的生存都是必要的。
In the writing process, the more a story cooks, the better.
The training and improvement of labor are effective ways to increase productivity.
"Children deserve art that challenges them as much as it delights them."