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LingakuLingaku就 + [noun] + 来说 / 而言，[clause]
对 + [person] + 而言，[clause]
就…来说 limits a judgement to one aspect of something: "in terms of", "as far as … goes", "-wise". The aspect goes between 就 and 来说, and the frame opens the sentence. It works in speech and writing alike.
The topic can also be a yardstick to judge against, such as a person's age.
对 + person + 来说 says what something is like for that person: 对我来说很难 "it's hard for me". 就 + aspect + 来说 picks out which side of a thing you're judging. An aspect like price or quality takes 就, not 对.
With a person, 就我来说 is possible too, and means "speaking for myself".
拿…来说 looks similar but introduces an example: 拿我来说 "take me, for example". 就…来说 narrows a judgement; it doesn't offer an illustration.
就…而言 means the same and is the written form – reports, reviews, essays. 就我个人而言 is "personally speaking".
对…而言 is the written 对…来说: what something means to a person or group.
The halves stay paired: 来说 and 而言 don't swap their first words.