'Persuaded' in the Bible

calling to mind the unfeigned faith which has been in thee, which dwelt first in thy grandmother Lois, and in thy mother Eunice, and I am persuaded that in thee also.

For which cause also I suffer these things; but I am not ashamed; for I know whom I have believed, and am persuaded that he is able to keep for that day the deposit I have entrusted to him.

But thou, abide in those things which thou hast learned, and of which thou hast been fully persuaded, knowing of whom thou hast learned them;