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現代采石要求我們同時成為地質學家、生態學家和社區外交官。

生活的美在于它的不完美。

歷史學家是一個向后看的先知。

The purpose of music is to sober and quiet the mind, thus making it susceptible to divine influences.

I'm not a perfectionist, but I like to feel that things are done well.

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

I'm not a prophet or a stone aged man, just a mortal with potential of a superman.