You made the right choice -- The path to follow. First passion, then training ; Mathematics ; The path to follow -- The creative process. What is science? ; The creative process ; What it takes ; Most likely to succeed ; I never changed ; Archetypes of the scientific mind ; Scientists as explorers of the universe -- A life in science. A mentor and the start of a career ; The grails of field biology ; A celebration of audacity ; Know your subject, thoroughly -- Theory and the big picture. Science as universal knowledge ; Searching for new worlds on Earth ; The making of theories ; Biological theory on a grand scale ; Theory in the real world -- Truth and ethics. The scientific ethic.