On the 26th day of April, 1839, a majority of the apostles took their leave of the Saints at Far West--then a hostile land--to go forth and declare the everlasting Gospel "over the great waters" as they had been commanded. The families of these brave men had been recently and ruthlessly banished from their homes, and were on their journey seeking shelter and a friendly habitation. It required the greatest courage and the highest quality of faith for men to go forth across the ocean to a foreign country to preach the Gospel without purse or scrip, leaving their families in poverty, homeless, destitute, and ill. Yet this was the test to which these brethren were put at this time. They did not fail, but manfully and nobly took up their cross and started on their missions. Other brethren, of the seventies, just as faithful, accompanied them on their journey to the foreign field. No sooner was the main body of the Saints located in Iowa and Illinois, out of the reach of mobs, than most of the members of the council of the twelve started on their way to the British Isles. On the 2nd day of July, 1839, the presidency met with the apostles, and some others who were to accompany them, and gave them instructions pertaining to their labors. On this occasion many important items on doctrine, the Priesthood, and the deportment of missionaries in the field, were discussed. In the course of his instructions President Joseph Smith taught them to beware of self-sufficiency, and to observe charity and wisdom and to exercise the principle of mercy; for if we forgive our brother, or even an enemy, before he repent or ask forgiveness, our heavenly Father will be equally merciful unto us. He further instructed them that they were not sent out to be taught, but to teach, and to be honest, open and frank, in all intercourse with mankind. He closed his instructions with the following words: "I will give you one of the keys of the mysteries of the kingdom. It is an eternal principle, that has existed with God from all eternity: That man who rises up to condemn others, finding fault with the Church, saying they are out of the way, while he himself is righteous, then know assuredly, that that man is in the high road to apostasy and if he does not repent will apostatize, as God lives. The principle is as correct as the one that Jesus put forth in saying that he who seeketh a sign is an adulterous person; and that principle is eternal, undeviating, and firm as the pillars of heaven; for whenever you see a man seeking after a sign, you may set it down that he is an adulterous man." Items on Priesthood About this time he also instructed the brethren on various matters of Priesthood, from which the following excerpts are taken: