Notice the stark contrasts which Jesus places before us: Good man/good heart/good words vs. Evil man/evil heart/ evil words. The Greek word for “good” used here refers to that which is good in itself and helpful to others. The word for “evil” denotes an active, malevolent meanness, and refers often to Satan himself, “the evil one.” This type of “evil” is intrinsically bad and also brings harm to others. There are only two kinds of people, each with a characteristic set of motives and mental habits. Jesus certainly does not mean that a “good” person is without sin, for He has already told us to pray daily, “Forgive us our debts” (Matthew 6:12). A “good man” is one who has received a new heart from God through the work of the Holy Spirit; he has been born again from above (John 3:3, 5). Though still capable of sin, he is, nevertheless on the right path, seeking God, and trusting in Jesus Christ. The “evil man” does not know God and walks on a road that leads to destruction. Likewise, there are only two types of words: All that we say or hear is either helpful or harmful. Words either build, or destroy; feed, or poison; heal, or wound; enlighten, or mislead; encourage, or discourage. “Create in me a clean heart, O God, and renew a steadfast spirit within me” (Psalm 51:10). “Let the words of my mouth, and the meditation of my heart, be acceptable in Your sight, O LORD, my strength and my Redeemer” (Psalm 19:14)