James 1:26
"If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man’s religion is vain."
Cross References (ranked by relevance)
Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.
Set a watch, O LORD, before my mouth; keep the door of my lips.
For he that will love life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile:
Neither filthiness, nor foolish talking, nor jesting, which are not convenient: but rather giving of thanks.
Keep thy tongue from evil, and thy lips from speaking guile.
Better is the poor that walketh in his integrity, than he that is perverse in his lips, and is a fool.
The mouth of the just bringeth forth wisdom: but the froward tongue shall be cut out.
In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
But be ye doers of the word, and not hearers only, deceiving your own selves.
Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath:
Take heed therefore how ye hear: for whosoever hath, to him shall be given; and whosoever hath not, from him shall be taken even that which he seemeth to have.
There is a way that seemeth right unto a man, but the end thereof are the ways of death.
For if a man think himself to be something, when he is nothing, he deceiveth himself.
There is a way which seemeth right unto a man, but the end thereof are the ways of death.
Howbeit in vain do they worship me, teaching for doctrines the commandments of men.
Take heed to yourselves, that your heart be not deceived, and ye turn aside, and serve other gods, and worship them;
He coveteth greedily all the day long: but the righteous giveth and spareth not.
He feedeth on ashes: a deceived heart hath turned him aside, that he cannot deliver his soul, nor say, Is there not a lie in my right hand?
But of these who seemed to be somewhat, (whatsoever they were, it maketh no matter to me: God accepteth no man’s person:) for they who seemed to be somewhat in conference added nothing to me: