Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied.
The analytical power should not be confounded with simple ingenuity; for while the analyst is necessarily ingenious, the ingenious man is often remarkably incapable of analysis.
As it must not, so genius cannot be lawless; for it is even that constitutes its genius - the power of acting creatively under laws of its own origination.
Brave, bold men, these are what we want. What we want is vigour in the blood, strength in the nerves, iron muscles and nerves of steel, not softening namby-pamby ideas.