Passion makes idiots of the cleverest men and makes the biggest idiots clever.

Writing is learning to say nothing more cleverly each day.

Entire ignorance is not so terrible or extreme an evil and is far from being the greatest of all too much cleverness and too much learning accompanied with ill bringing-up are far more fatal.

A clever imagination humorous request can open closed doors and closed minds.

I am not suggesting that all those missionary organizations working in Haiti should pack up and go home but I am urging them to understand that Haiti does not need clever Americans with newly contrived schemes for saving their country.

Natural selection as it has operated in human history favors not only the clever but the murderous.

One of the lessons of history is that nothing is often a good thing to do and always a clever thing to say.

It is a great act of cleverness to be able to conceal one's being clever.

Ignorance of all things is an evil neither terrible nor excessive nor yet the greatest of all but great cleverness and much learning if they be accompanied by a bad training are a much greater misfortune.

If the Great Way perishes there will morality and duty. When cleverness and knowledge arise great lies will flourish. When relatives fall out with one another there will be filial duty and love. When states are in confusion there will be faithful servants.