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.

Deliberative bodies become decreasingly effective after they pass five to eight members.

In the foundation and development of a successful enterprise there must be a single-minded pursuit of financial profit.

Expenditure rises to meet income.

People of great ability do not emerge, as a rule, from the happiest background. So far as my own observation goes, I would conclude that ability, although hereditary, is improved by an early measure of adversity and improved again by a later measure of success.

Parkinson's First Law: Work expands to fill the time available.

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