Nature governs man by no principle more fixed than that which leads him to pursue his interest.
Sentiment: POSITIVE
When man decides he can control nature, he's in deep trouble.
Nature's laws have to supersede man's law.
Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.
Nature... is nothing but the inner voice of self-interest.
Man may act according to that principle or inclination which for the present happens to be strongest, and yet act in a way disproportionate to, and violate his real proper nature.
A strong, successful man is not the victim of his environment. He creates favorable conditions. His own inherent force and energy compel things to turn out as he desires.
Man is nature's sole mistake.
One thing you cannot control is nature.
In presence of Nature's grand convulsions, man is powerless.
Man is fully responsible for his nature and his choices.