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The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.

The most important thing in science is not to solve problems, but to ask the right questions.

Innovation in mining technology isn't optional - it's essential for our survival and growth.

釋義：做好事和壞事最終都會有報應，只是早晚的問題。