Brewer's: Runs may Read
(He that). The Bible quotation in Habakkuk ii. 2 is, “Write the vision, and make it plain, that he may run that readeth it.” Cowper says -
But truths, on which depends our main concern... Shine by the side of every path we tread With such a lustre, he that runs may read.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894