1 Corinthians 1:9
"God is faithful, by whom ye were called unto the fellowship of his Son Jesus Christ our Lord."
Cross References (ranked by relevance)
But the Lord is faithful, who shall stablish you, and keep you from evil.
Let us hold fast the profession of our faith without wavering; (for he is faithful that promised;)
Know therefore that the LORD thy God, he is God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations;
There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it.
He is the Rock, his work is perfect: for all his ways are judgment: a God of truth and without iniquity, just and right is he.
And we know that all things work together for good to them that love God, to them who are the called according to his purpose.
Thus saith the LORD, the Redeemer of Israel, and his Holy One, to him whom man despiseth, to him whom the nation abhorreth, to a servant of rulers, Kings shall see and arise, princes also shall worship, because of the LORD that is faithful, and the Holy One of Israel, and he shall choose thee.
And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.
For the LORD is good; his mercy is everlasting; and his truth endureth to all generations.
God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?
But the God of all grace, who hath called us unto his eternal glory by Christ Jesus, after that ye have suffered a while, make you perfect, stablish, strengthen, settle you.
But as God is true, our word toward you was not yea and nay.
O Lord, thou art my God; I will exalt thee, I will praise thy name; for thou hast done wonderful things; thy counsels of old are faithfulness and truth.
Even us, whom he hath called, not of the Jews only, but also of the Gentiles?
Through faith also Sara herself received strength to conceive seed, and was delivered of a child when she was past age, because she judged him faithful who had promised.
I am crucified with Christ: nevertheless I live; yet not I, but Christ liveth in me: and the life which I now live in the flesh I live by the faith of the Son of God, who loved me, and gave himself for me.
Whereunto he called you by our gospel, to the obtaining of the glory of our Lord Jesus Christ.
Moreover whom he did predestinate, them he also called: and whom he called, them he also justified: and whom he justified, them he also glorified.
And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.
For we are made partakers of Christ, if we hold the beginning of our confidence stedfast unto the end;