There are only two qualities in the world: efficiency and inefficiency; and only two sorts of people: the efficient and the inefficient.

Threescore years and ten is enough; if a man can't suffer all the misery he wants in that time, he must be numb.

Error will slip through a crack, while truth will stick in a doorway.

Nature makes all the noblemen; wealth, education, or pedigree never made one yet.

Most people when they come to you for advice, come to have their own opinions strengthened, not corrected.

Building air castles is a harmless business as long as you don't attempt to live in them.

There are lots of people who mistake their imagination for their memory.