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数学证明的优雅在于它的简洁和清晰。
The elegance of a mathematical proof is in its simplicity and clarity.
最好的投资是投人,而不是投项目。
Every decision we make today echoes in the waters of tomorrow.
Fear of things invisible is the natural seed of that which every one in himself calleth religion.
我不是天才,我只是比别人更努力。
一本好书是一次伟大的冒险。