ISB ~ 1 Timothy 2 v4

desires all men to be saved:The Father wants all to repent and receive the salvation offered by Christ (4:10; 2 Pet 3:9). It is wrong, therefore, to contend that Jesus died to redeem only select individuals and not the human family as a whole (1 Jn 2:2). Believers act on this conviction when they intercede for the temporal and spiritual needs of “all men” (1 Tim 2:1) (CCC 851, 1821).

knowledge of the truth:A summary of this knowledge is formulated in the very next sentence (2:5-6), where saving truth is linked with the substance of the gospel (Gal 2:5; Col 1:5).