Authors:

That virtue only makes our bliss below, And all our knowledge is ourselves to know.

Alexander Pope, William Roscoe (1847). “The works of Alexander Pope, esq., with notes and illustrations, by himself and others. To which are added, a new life of the author, an Estimate of his poetical character and writings, and occasional remarks by William Roscoe, esq”, p.155
That virtue only makes our bliss below, And all our knowledge is ourselves to know.