During the history of the Institution thus far, enlargement had been its law. Mr. Muller's heart grew in capacity for larger service, and his faith in capacity for firmer confidence, so that while he was led to attempt greater things for God, he was led also to expect greater things from God. Those suggestive words of Christ to Nathanael have often prompted like larger expectations: "Believest thou? thou shalt see greater things than these." (John i. 50.) In the year 1846, _the wants of the mission field_ took far deeper hold of him than ever before. He had already been giving aid to brethren abroad, in British Guiana and elsewhere, as well as in fields nearer at home. But he felt a strong yearning to be used of God more largely in sending to their fields and supporting in their labours, the chosen servants of the Lord who were working on a scriptural basis and were in need of help. He had observed that whenever God had put into his heart to devise liberal things, He had put into his hand the means to carry out such liberal purposes; and from this time forth he determined, as far as God should enable him, to aid brethren of good report, labouring in word and doctrine, throughout the United Kingdom, who were faithful witnesses to God and were receiving no regular salary. The special object he had in view was to give a helping hand to such as for the sake of conscience and of Christ had relinquished former stipends or worldly emoluments. Whatever enlargement took place in the work, however, it was no sign of _surplus funds._ Every department of service or new call of duty had separate and prayerful consideration. Advance steps were taken only when and where and so fast as the Pillar moved, and fresh work was often undertaken at a time when there was a lack rather than an abundance of money. Some who heard of Mr. Muller's absence in Germany inferred plenty of funds on hand--a conclusion that was neither true nor legitimate. At times when poverty was most pressing, additional expenditure was not avoided nor new responsibility evaded if, after much prayer, the Lord seemed plainly leading in that direction. And it was beautiful to see how He did not permit any existing work to be embarrassed because at His bidding new work was Undertaken. One great law for all who would be truly led by God's Pillar of cloud and fire, is to take no step at the bidding of self-will or without the clear moving of the heavenly Guide. Though the direction be new and the way seem beset with difficulty, there is never any risk, provided we are only led of God. Each new advance needs separate and special authority from Him, and yesterday's guidance is not sufficient for to-day.