“I desire no future that will break the ties of the past.”

Source: Sanitary Economy (1850), p. 29-30
Context: The rise of each generation gives new ties towards the future, which insensibly dissolves those which bind us to the past; and the natural old age of the human race seems to have adjusted itself to that period beyond which the human being would feel isolated and desolate in the midst of the new objects of attachment which the progress of time brings into existence.

Source: The Winter of Our Discontent

Source: Pieces of White Shell

Source: Confessions of an Ugly Stepsister

Introductio ad prudentiam: Part II (1727), Gnomologia (1732)

As quoted in History of the Anti-Corn Law League (1853), by Archibald Prentice, p. 54; around 1876 this began to began to be cited to W. Scott, and then around 1880 sometimes to Walter Scott, but without citations of source, including a variant: "Selfish ambition breaks the ties of blood, and forgets the obligations of gratitude" in a publication of 1907.

The earliest attributions of this yet found are to it being a saying of William Scott, 1st Baron Stowell, in History of the Anti-Corn Law League (1853), by Archibald Prentice, p. 54; around 1876 it began to began to be cited to W. Scott, and then around 1880 sometimes to Walter Scott, but without citations of source, including a variant: "Selfish ambition breaks the ties of blood, and forgets the obligations of gratitude" in a publication of 1907. It seems to only recently to have begun to be attributed to Sallust, on the internet.
Misattributed

The Foundations of the Nineteenth Century (Die Grundlagen des neunzehnten Jahrhunderts) (1899)

The Art of Doing Science and Engineering: Learning to Learn (1991)