We should not underestimate the value of knowing correct doctrine. Without it, Christians vacillate in their beliefs. For example, take the matter of assurance of salvation. Now if someone is sure today he is saved and he’s not so sure tomorrow, but he’s quite certain the third day, yet doubting again on the fourth, he lacks maturity in this regard. He needs to understand and believe the promises of Scripture. Not only is maturity in knowledge needed, but also maturity in character—the ability to