In all education the main cause of failure is staleness.

Youth is life as yet unblemished by much tragedy, but hardly by TV.

Speak out in acts; the time for words has passed, and only deeds will suffice.

Problems are only opportunities in disquise.

Not ignorance, but ignorance of ignorance, is the death of knowledge.

Art flourishes where there is a sense of adventure, a sense of nothing having been done before, of complete freedom to experiment.

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.