NASB 1995
"It shall be when he hears the words of this curse, that he will boast, saying, 'I have peace though I walk in the stubbornness of my heart in order to destroy the watered land with the dry.'

American Standard Version
and it come to pass, when he heareth the words of this curse, that he bless himself in his heart, saying, I shall have peace, though I walk in the stubbornness of my heart, to destroy the moist with the dry.

Berean Study Bible
because when such a person hears the words of this oath, he invokes a blessing on himself, saying, ‘I will have peace, even though I walk in the stubbornness of my own heart.’ This will bring disaster on the watered land as well as the dry.

Douay-Rheims Bible
And when he shall hear the words of this oath, he should bless himself in his heart saying: I shall have peace, and will walk on in the naughtiness of my heart: and the drunken may consume the thirsty,

English Revised Version
and it come to pass, when he heareth the words of this curse, that he bless himself in his heart, saying, I shall have peace, though I walk in the stubbornness of mine heart, to destroy the moist with the dry:

King James Bible
And it come to pass, when he heareth the words of this curse, that he bless himself in his heart, saying, I shall have peace, though I walk in the imagination of mine heart, to add drunkenness to thirst:

World English Bible
and it happen, when he hears the words of this curse, that he bless himself in his heart, saying, "I shall have peace, though I walk in the stubbornness of my heart, to destroy the moist with the dry."

Young's Literal Translation
'And it hath been, in his hearing the words of this oath, and he hath blessed himself in his heart, saying, I have peace, though in the stubbornness of my heart I go on, in order to end the fulness with the thirst.

Deuteronomy 29:19 Additional Translations ...