Confidence is directness and courage in meeting the facts of life.

Inside the modern city, in spite of its nominal political unity, there are probably more communities, more differing customs, traditions, aspirations, and forms of government or control, than existed in an entire continent at an earlier epoch.

One of the saddest things about US education is that the wisdom of our most successful teachers is lost to the profession when they retire.

Art is the most effective mode of communications that exists.

The phrase "think for one's self" is a pleonasm. Unless one does it for one's self, it isn't thinking.

Teaching may be compared to selling commodities. No one can sell unless somebody buys.

In general, every stimulus directs activity. It does not simply excite it or stir it up, but directs it toward an object.