'मनुष्य स्वतंत्र पैदा होता है, लेकिन हर जगह वह जंजीरों में जकड़ा होता है।' ये शब्द किसके हैं?

'Hegel remarks somewhere that all great world-historic facts and personages appear, so to speak, twice. He forgot to add: the first time as tragedy, the second as farce.' Whose famous quotation is this?

Which prominent political philosopher famously began his essay 'The Problem of Global Justice' with the assertion that 'We do not live in a just world'?