Cross reference
2 Timothy 4:9
9 Be diligent to come unto me quickly,
2 Timothy 1:4
4 desiring greatly to see thee, being mindful of thy tears, that with joy I may be filled,
2 Timothy 4:21
21 be diligent to come before winter. Salute thee doth Eubulus, and Pudens, and Linus, and Claudia, and all the brethren.