The world is a book, and those who do not travel read only a page. Curiosity is one of the most permanent and certain characteristics of a vigorous mind.
Every job is a self-portrait of the person who did it.
Autograph your work with excellence. An apparatus with which we think that we think. Unless you try to do something beyond what you have already mastered, you will never grow. My heart is singing for joy this morning. The light of understanding has shone upon my little pupil's mind, and behold, all things are changed.