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.
I ... must continue to strive for more knowledge and more power, though the new knowledge always contradicts the old and the new power is the destruction of the fools who misuse it.
Power ceases in the instant of repose; it resides in the moment of transition from a past to a new state, in the shooting of the gulf, in the darting to an aim.
Real power does not consist in the ability to inflict capital punishment upon the subjects, but in the will and the ability to protect the subjects against the world.
Steam becomes a mighty power only when it allows itself to be imprisoned in a strong little reservoir, produces tremendous motion and carries huge weights by permitting itself a tiny and measured outlet.