1891, Joseph Addison, Richard Steele, The Spectator, Volumes 1, 2 and 3:
They who most passionately pursue Pleasure, seldomest arrive at it.
1908, John Ruskin, Selections From the Works of John Ruskin:
For the finer the nature, the more flaws it will show through the clearness of it; and it is a law of this universe, that the best things shall be seldomest seen in their best form.
1835, Mark Twain (Samuel Clemens), The Letters Of Mark Twain, Complete:
I find it is the one I most value here in the household and seldomest get.