Jeremiah 29:11,13 For I know the thoughts that I think toward you, says the Lord, thoughts of peace and not of evil, to give you a future and a hope. ...and you will seek Me and find Me, when you search for Me with all your heart.
There is no word in English Bible translations beginning with the letter "X" but in the Greek alphabet, the letter chi looks like the English letter X. The English X is used by some to represent the Cross of Christ.
But they that wait upon the LORD shall renew their strength; they shall mount up with wings as eagles; they shall run, and not be weary; and they shall walk, and not faint. (Isaiah 40:31)