There are two principles inherent in the very nature of things, recurring in some particular embodiments whatever field we explore - the spirit of change, and the spirit of conservation. There can be nothing real without both. Mere change without conservation is a passage from nothing to nothing. . . . Mere conservation without change cannot conserve. For after all, there is a flux of circumstance, and the freshness of being evaporates under mere repetition.
Each of the professions means a prejudice. The necessity for a career forces every one to take sides. We live in the age of the overworked, and the under-educated; the age in which people are so industrious that they become absolutely stupid.