组织的质量由其人员的质量决定。

The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.

痛苦的源头是无知。