Let not many of you become teachers, my brethren, for you know that we who teach shall be judged with greater strictness.
For we all make many mistakes, and if any one makes no mistakes in what he says he is a perfect man, able to bridle the whole body also.
If we put bits into the mouths of horses that they may obey us, we guide their whole bodies.
Look at the ships also; though they are so great and are driven by strong winds, they are guided by a very small rudder wherever the will of the pilot directs.
So the tongue is a little member and boasts of great things. How great a forest is set ablaze by a small fire!
And the tongue is a fire. The tongue is an unrighteous world among our members, staining the whole body, setting on fire the cycle of nature, and set on fire by hell.
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved. (Revised Standard Version - Holy Bible)