Dance First. Think Later: 618 Rules to Live How should one live life? Here are 618 of the pithiest, wisest guidelines to this puzzling business of living, from poker pros and poets, boxers and moguls, philosophers, comedians, scientists, and street-smart, these are deep and inspiring rules to live by. Kathryn & Ross Petras, siblings and discerning curator of quotes, have published many collections of their finds.