Nature is the best guide, and he that follows her, though he may sometimes go astray, yet will he be in the right way in the main.
自然是最好的向导，追随她的人，虽然有时可能会迷路，但总体上会走在正确的道路上。
Trust is the foundation of every successful business relationship.
The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.
丰田模式的关键以及丰田脱颖而出的原因不在于任何单独的元素……重要的是将所有元素作为一个系统来实践。必须每天以非常一致的方式实践，而不是断断续续地进行。