Social justice is redundant.
Justice, properly understood in a biblical sense, always has social implications.
Personal salvation is redundant in the same way. Salvation, properly understood in a biblical sense, while it may have broader implications, is always personal in nature.
Why the modifiers?
"'The fruit for which your soul longed has gone from you, and all your dainties and your splendor are lost to you, never to be found again!' The merchants of these wares, who gained wealth from her, will stand far off, in fear of her torment, weeping and mourning aloud ..."
-- Revelation 18:14-15
[Editors' note: Rev. John Stott, one of the world's most influential evangelical figures over the past half-century, died this Wednesday at age 90. Rev. Stott served as a contributing editor for Sojourners magazine, when we were known as The Post American, and wrote this article for the November/December, 1973 issue of the magazine. We will always remember Rev. Stott for his profound contributions to our community and the Church.]
It seems to be a characteristic of the Anglo-Saxon mind to enjoy inhabiting the "polar regions" of truth. If we could straddle both poles simultaneously, we would exhibit a healthy balance. Instead, we tend to "polarize". We push some of our brothers to one pole, while keeping the other as our own preserve.
What I am thinking of now is not so much questions of theology as questions of temperament, and in particular the tension between the "conservative" and the "radical."