帮助地球最有效的方法就是停止食用动物。

相信自己，是成功的第一步。

有人居住的世界的边界是由人类知识的极限决定的。

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.

The moment one gives close attention to anything, even a blade of grass, it becomes a mysterious, awesome, indescribably magnificent world in itself.