Not ignorance, but ignorance of ignorance, is the death of knowledge.
Fools act on imagination without knowledge, pedants act on knowledge without imagination.
Knowledge shrinks as wisdom grows.
In formal logic, a contradiction is the signal of defeat, but in the evolution of real knowledge it marks the first step in progress toward a victory.
The ideas of Freud were popularized by people who only imperfectly understood them, who were incapable of the great effort required to grasp them in their relationship to larger truths, and who therefore assigned to them a prominence out of all proportion to their true importance. – Alfred North Whitehead
The foundation of reverence is this perception, that the present holds within itself the complete sum of existence, backwards and forwards, that whole amplitude of time, which is eternity. – Alfred North Whitehead
It is the business of the future to be dangerous; and it is among the merits of science that it equips the future for its duties. – Alfred North Whitehead
Not ignorance, but ignorance of ignorance, is the death of knowledge. – Alfred North Whitehead
Fools act on imagination without knowledge, pedants act on knowledge without imagination. – Alfred North Whitehead