He who would accomplish little must sacrifice little; he who would achieve much must sacrifice much; he who would attain highly must sacrifice greatly. – James Allen
A man sooner or later discovers that he is the master-gardener of his soul, the director of his life. – James Allen
Mind is the Master–power that molds and makes, and Man is Mind, and ever more he takes the Tool of Thought, and shaping what he wills, brings forth a thousand joys, a thousand ills–He thinks in secret and it comes to pass; Environment is but his looking-glass. – James Allen
Man desired concord; but nature knows better what is good for his species; she desires discord. Man wants to live easy and content; but nature compels him to leave ease… and throw himself into roils and labors. – Immanuel Kant, Idea for a Universal History with a Cosmopolitan Purpose, 1787