The gift of speech

"Likewise the tongue is a little member and boasts great things. Behold, how great forest a little fire lit! "James 3:5
One of the wonderful gifts God has given us is the word, unfortunately, not everything that comes from the mouth builds the brother we are naturally inclined to evil, and it thus affects not only himself but his brother, our duty being building believer. This member placed in your body if you do not know how to control it can produce many negative things within the church.
Santiago, in his letter tells us about the strength of his tongue, a small member in the body, but can cause damage to other people.
But this member is able to produce good things.
In the church each member has been called by the Spirit to edify, encourage, comfort, the believer is part of the growth of the church in every way, he must produce results which honor God and edify his brother, is precisely the proper use of the tongue leading to good things and has been called every believer.
Mandated every believer should produce good things, that builds the body of Christ, help, comfort, encourage, to use the gift of words to bless and not for evil - ie.
What gives you use your tongue? "To encourage or discourage?