„To know the history of philosophy is to know that the highest thinkers of the ages, the seers of the tribes and the nations, have been optimists. The growth of philosophy is the story of man’s spiritual life.“

— Helen Keller

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„Europe was created by history. America was created by philosophy.“
— Margaret Thatcher
„A truce to philosophy! — Life is before me and I rush into possession. Hope, glory, love, and blameless ambition are my guides, and my soul knows no dread.“
— Mary Wollstonecraft Shelley