This piety, which he constantly recommended to others, and practised in his domestic life, also animated all the labors of his calling. He regarded his lecture room, in which so many hearers assembled anxious to hear their master, as if it were his Church. He somewhere makes the remark: "Above the entrance of many old churches, we read the inscription, 'My house shall be called a house of prayer,' sculptured in the stone. This inscription should also be placed upon schools, for they are a part of the public worship of God; we there teach and learn the truth, and must unite prayer with it all." In another place he says: "We occupy this position in the name of God, in order that we may preserve and disseminate that truth which gives salvation to the human race; and God demands diligence both on the part of teachers and pupils. We must enter the school with the same feelings with which we enter the temple, namely, that we desire to learn and communicate divine things. If any man enters the school merely to acquire a portion of knowledge, which he may use for gain or empty ambition, let such an one remember that he is desecrating the holiest temple of science." It was his constant aim to do everything for the glory of God, and to be "a useful instrument of the church." And if this was the case in all his efforts to educate youth, how much more was it the case when the church itself was concerned! He was not one of those with whom Christianity and affection for the church is something so internal that it never manifests itself. He approved of the use of particular forms of prayer. He says: "We are not to despise the verbal prayer, which helps to arouse us. Dr. Jerome Schurff very properly observes: Christ says, when ye pray, _say_: Our Father, which art in heaven. Therefore it is not sufficient to pray in the spirit, but if it is possible we must also utter words by which the devotional feelings of our hearts are increased." In his prayers he steadfastly relied upon the promises of God, and doubtless frequently rejoiced in having found that which he sought. He loved the house of God, and was a faithful attendant at the public worship of God. HEERBRAND of Tuebingen, in his Eulogy, bears this honorable testimony: "He was anxious to frequent public worship, not only to set a good example to others, but because he knew that the Holy Spirit exercised his power through the word of God, and that the Son of God was present, so that his faith might be strengthened, and the spirit of prayer be enkindled in the congregations of the saints; even as he constantly prayed with inexpressible sighs, and offered up prayers and supplications for the church and himself. We, who knew him, are all able to testify in regard to this."