NET
26 If someone thinks he is religious yet does not bridle his tongue, and so deceives his heart, his religion is futile.
Darby
26 If any one think himself to be religious, not bridling his tongue, but deceiving his heart, this man's religion is vain.
KJV
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.