But you can catch yourself entertaining habitually certain ideas and setting others aside; and that, I think, is where our personal destinies are largely decided.
Alfred North Whitehead, OM (February 15, 1861 December 30, 1947) was a British mathematician who evolved into a philosopher. He was born in Ramsgate, Kent, UK, and died in Cambridge, Massachusetts, USA. He wrote on algebra, logic, foundations of mathematics, philosophy of science, physics, metaphysics, and education. He is the coauthor, along with Bertrand Russell, of the epochal Principia Mathematica.