The mind uses its faculty for creativity only when experience forces it to do so. – Henri Poincare
One would have to have completely forgotten the history of science so as to not remember that the desire to know nature has had the most constant and the happiest influence on the development of mathematics. – Henri Poincare
It is through science that we prove, but through intuition that we discover. – Henri Poincare
Science is built up of facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house. – Henri Poincare
What if Barack Obama established a Presidential Advisory Committee that would meet once every couple of months, bringing together the former presidents for a conference in order to seek their collective wisdom? There is a wealth of experience in former presidents that generally goes untapped. – Tony Campolo