The onset of one religion can be resisted only by another.

The mind reels at the multiplication of books intended to justify the author's promotion from assistant to associate professor.

Expenditures rise to meet income.

Work expands so as to fill the time available for its completion. General recognition of this fact is shown in the proverbial phrase "It is the busiest man who has time to spare."

Perfection of planning is a symptom of decay. During a period of exciting discovery or progress, there is no time to plan the perfect headquarters.

Parkinson's Fourth Law: The number of people in any working group tends to increase regardless of the amount of work to be done.

The man who is denied the opportunity of taking decisions of importance begins to regard as important the decisions he is allowed to take. He becomes fussy about filing, keen on seeing that pencils are sharpened, eager to ensure that the windows are open (or shut) and apt to use two or three different-colored inks.