'Two' in the Bible

So that we, who have gone in flight from danger to the hope which has been put before us, may have a strong comfort in two unchanging things, in which it is not possible for God to be false;

A man who has gone against the law of Moses is put to death without pity on the word of two or three witnesses:

By faith Jacob gave a blessing to the two sons of Joseph, when he was near to death; and gave God worship, supported by his stick.