Much as a teacher may wince at the thought, he is also an entertainer — for unless he can hold his audience, he cannot really instruct or edify them. - Sydney J. Harris

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

"It is a curious psychological fact that the man who seems to be "egotistic" is not suffering from too much ego, but from too little. When the ego is strong and well developed, there is no nagging need to impress others — by money, by rudeness, or by any other show of false strength."

The Unconvincibles are the people who are not amenable to reason of any sort. Their minds are not only closed, but bolted and hermetically sealed. In most cases , their beliefs congealed at an early age; by the time they left their teens, they were encased in a rigid framework of thought and feeling, which no evidence or argument can penetrate.