In THE 100 GREATEST LEADER-SHIP PRINCIPLES OF ALL TIME,history's greatest writers, politicians, exec-utives, and philosophers--from Plato to Jack Welch--provide enduring lessons that any leader can use. Readers will discover gems of wisdom that address both the daily practical-ities and the grand ideals of leadership. Should you commit to a goal or adapt to change? Can you instill discipline without stirring dissent?Is it better to develop or dismiss difficult team members?