God speaks a great deal about "a fountain of life." That is why it is truly amazing to read that God says the mouth of the righteous is a fountain of life. Let's take a look at what the Word says about being a fountain of life - and learn to embrace the wisdom of having our mouth be all that this means.
In Psalm 36:9 we read that the people of God are given the blessing of drinking the fill of God's presence in His house - and also to drink of the rives of God's delights. These things are said to bring us to know that God is the fountain of life. A second time in Psalm 68:26 God is called the fountain of Israel. Thus we see that "a fountain of life" coming from our mouths is simply that we speak of the Lord and the things of the Lord. This is confirmed further as we learn that Proverbs 13:14 tells us that the teaching of the wise is a fountain of life. As we experience these wonderful words, they teach us to turn aside from the snares of death - the sin that can ensnare us and destroy us if left undealt with in life. Proverbs 14:27 tells us that the fear of the LORD is a fountain of life - again telling us that when we live according to it, we will avoid the snares of death. Proverbs 16:22 reminds us that understanding is a fountain of life to those who have it - keeping us from the discpline of fools.
All these various statements tell us something wonderful. To be a fountain of life - a righteous man or woman whose mouth flows forth with the blessing of God, we should strive to have all these things at work in us. That means that we embrace God Himself as the source of all that we offer to others - all that we speak and say. We know that God is also the one who allows us to teach and speak that life to others. But as we do, we also fear God and embrace understanding things as He does - speaking them as He would speak them to us. (Remember that the earliest definition of wisdom we had was that it was seeing things as God sees them.) As we speak according to the fear of God - speaking with His understanding, His wisdom as we teach others - we will be not just a fountain of life - but a fountain that protects them from death - its snares and its lies.
The opposite of the fountain of life is what the mouth of the wicked offers to us. The wicked is speaking - but he is speaking falsehood - and he is not offering to others a fountain of life. What he offers is concealed violence. Since selfishness reigns in his life - he doesn't have a desire for others to be blessed. Deep down he wants what they have - he wants things for himself. There is not a fountain that flows outward - in giving life to others. He has a type of vortex that sucks all things toward himself. And when things begin to move toward taking something from him, no longer making him the center of things - he responds with violence. The example of this is best seen in the example of Saul. When he realized that God was taking the kingdom from him and giving it to another - he became very paranoid . . . and very violent. He watched as God blessed David - and it drove him crazy. He tried to pin David to the wall with a spear - tried to kill him by the hand of the Philistines - tried to kill him in his bed even while David was married to his daughter - and when his son, Jonathan stood up for David, even tried to kill him by throwing a spear at him. What flowed from Saul's heart was violence, even though he tried to conceal it with his mouth. It was eventually revealed that he was filled not with love and live - but with violence and hate.
What is coming out of your mouth? Jesus let us know that what comes out of our mouths is what dwells in our hearts. He desires for life to flow out of us - for blessing to be what is spoken as we speak. But that will only happen as we embrace the righteousness that God offers to us in Christ. The way that we receive "the mouth of the righteous" is by embracing the only One Who can make us righteous, Jesus Christ. It is only as His life fills us through the Holy Spirit that we will have that mouth that blesses. May God give us the wisdom to embrace Him - and in so doing - have Him gloriously transform our mouth to speak so as to give life and blessing to all who hear us.