American Standard Version
let us hold fast the confession of our hope that it waver not; for he is faithful that promised:

Berean Study Bible
Let us hold resolutely to the hope we profess, for He who promised is faithful.

Douay-Rheims Bible
Let us hold fast the confession of our hope without wavering (for he is faithful that hath promised),

English Revised Version
let us hold fast the confession of our hope that it waver not; for he is faithful that promised:

King James Bible
Let us hold fast the profession of our faith without wavering; (for he is faithful that promised;)

World English Bible
let us hold fast the confession of our hope without wavering; for he who promised is faithful.

Young's Literal Translation
may we hold fast the unwavering profession of the hope, (for faithful is He who did promise),

Hebrews 10:23 Additional Translations ...