This occurred because of Timothy’s close association with such mature Christians as Paul, his own personal study, and his zealous preaching activity. ​ — 1 Timothy 4: 14; 2 Timothy 2: 2; Hebrews 6: 1.
Timoteos arenes tänu sellele, et ta suhtles tihedalt Pauluse sarnaste küpsete kristlastega, uuris isiklikult ning oli innukas kuulutustööl.