Matthew 19:10-12

10 The disciples say to him, If this is the position of a man in relation to his wife, it is better not to be married.

11 But he said to them, Not all men are able to take in this saying, but only those to whom it is given.

12 For there are men who, from birth, were without sex: and there are some who were made so by men: and there are others who have made themselves so for the kingdom of heaven. He who is able to take it, let him take it.