Isaiah 65:16

65:16 so that he who blesses himself in the earth shall bless himself in the God of truth; and he who swears in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from my eyes.
-World English Bible

Other Translation

65:16 That he who blesseth himself in the earth shall bless himself in the God of truth; and he that sweareth in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from mine eyes.
-King James Version