According to experts who study Russian culture, there is a reson why Russians have become more serious about traditional superstitions. ..... As we know, Russians generally believe shaking hands through a doorway is bad luch, so, at first, the Russian astronaut would not do it. (44), after a few moments' (45), he decided to shake hands anyway even though it might be (46).
――南山大学(外国語学部英米学科・総合政策学部)――2002年