Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise. "Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much closer to the truth. The basis of growth of modern invention is science, and science is almost wholly the outgrowth of pleasurable intellectual curiosity.
Alfred North WhiteheadThe whole of mathematics consists in the organization of a series of aids to the imagination in the process of reasoning.
Alfred North WhiteheadThe total absence of humor from the Bible is one of the most singular things in all literature.
Alfred North Whitehead