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Ask courageous questions. Do not be satisfied with superficial answers. Be open to wonder and at the same time subject all claims to knowledge, without exception, to intense skeptical scrutiny. Be aware of human fallibility. Cherish your species and your planet.
— Carl Sagan
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Nurturing and cherishing creation is a command God gives not only at the beginning of history, but to each of us. It is part of his plan; it means causing the world to grow responsibly, transforming it so that it may be a garden, a habitable place for everyone.
— Pope Francis
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