成功是一种心态。如果你想成功，就要开始把自己看作一个成功者。
在数学中，提出问题的艺术必须比解决问题更有价值。
Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.
理解的提高有两个目标：首先，我们自己的知识增长；其次，使我们能够将这些知识传递给他人。
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.
丰田模式的关键及其独特之处不在于任何单一要素，而在于将所有要素整合为一个系统。必须每天以非常一致的方式实践，而非断断续续。