 Friedrich Nietzsche 
""To do great things is difficult; but to command great things is more difficult""

A 19th century German philosopher, Friedrich Nietzsche heavily contributed to the fields of management and leadership.Focussing in on ideas of morality; particularly distinguishing the differences between what he labeled the, "master morality," and "slave morality," Nietzsche has exemplified the development of managerial practices through the subjections of moral emphasis and control.