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Climate change is the defining issue of our time, and we are at a defining moment.
气候变化是我们这个时代的决定性议题,我们正处于决定性时刻。
Don't let fear stop you from pursuing your dreams.
The study of Galois representations is a journey into the hidden symmetries of mathematics.
对现实的探求始于我们承认自己的无知。
 我从未遇到过一小时阅读不能解除的痛苦。