Every portrait that is painted with feeling is a portrait of the artist, not of the sitter.
世界历史可以这样总结:强国总行不义。等到他们醒悟了,他们不已经不再强了。
飞蓬生长在麻地里,不用扶持也能挺立;白沙混进黑色泥土,也会跟着一起变黑。
The future of chemistry lies in developing sustainable methods that work with nature, not against it.
当我们保护生物多样性时,我们就是在保护人类的安全网。