Instead of trying to educate the human race, they should imitate the pedagogues of the seventeenth and eighteenth centuries, who concentrated their efforts on the education of a single person.
Why you exist, says Nietzsche with Søren Kierkegaard, nobody in the world can tell you in advance; but since you do exist, try to give your existence a meaning by setting up for yourself as lofty and noble a goal as you can.