The very existence of libraries affords the best evidence that we may yet have hope for the future of man.

没有单一版本的历史；只有不同的视角。

The history of life is written in A, T, C, and G.

质量不是保证；它是一种证明。

The most significant threat to liberal democracy today is not from rival ideologies like communism or fascism, but from within—from the rise of populism and the erosion of democratic norms.

我不需要大声才能被听到。