The spread of liberal democracy and the integration of the world economy are the two most important trends of the modern era.
物理定律是普适的,在像银河系中心这样的极端环境中测试它们是至关重要的。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
Old soldiers never die. They just fade away.
科学与农业的结合将为农民创造更美好的未来。
世界对感受者来说是悲剧,对思考者来说是喜剧。